Electric-outage cascade on the full 16-bit-per-tier spatial key (leaf/family/identity = HEEL/HIP/TWIG)#605
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Adopt q2's V3 addressing (V3_SOA_WIRING.md / converge.rs) for the Spain electric-outage cascade: each 16-bit HHTL tier is an 8:8 split — high byte = part_of (PLACE/where, mereology), low byte = is_a (TISSUE/what, taxonomy). Two orthogonal prefix-routable hierarchies in one key; no layout change (an interpretation of the locked 3x u16 tiers, the 6-group NodeGuid). Additive to the V1/V2 CascadeKey (#605, spatial-only): - IsaPath { class, kind, sub } — the is_a low-byte taxonomy chain - CascadeKeyV3 { heel, hip, twig } — each tier (place<<8)|tissue + place_chain / tissue_chain / part_of_distance / is_a_distance / to_guid_tiers - cascade_keys_v3(grid, alive, &[IsaPath]) — place = 24-bit Morton spectral cell (3 octets, coarse->fine), tissue = the per-bus is_a taxonomy For the grid this is the better representation: a part_of prefix selects "which region blacked out", an is_a prefix selects "all generators / all loads" — two orthogonal queries on ONE key (V1/V2 spatial-only could not). EdgeBlock in-family = part_of/connected_to siblings = the lines the cascade propagates along. +4 V3 tests (9 total green): 8:8 packing, axis-independence, blackout part_of-locality + is_a source/sink separability, isa-count guard. examples/spain_cascade.rs extended with the V3 dual-query. clippy -D warnings clean, fmt-clean. Consumer-awareness (reported in PR/board, not actioned — other session's surface): lance-graph canonical_node lacks an 8:8 accessor (additive opportunity); q2 osint-bake/fma.rs's NodeGuid::new_v2(...LEAF...) is a 7-group API absent from canonical_node (I-LEGACY-API-FEATURE-GATED) — V3 is the 6-group-compatible resolution that sidesteps it. Board: AGENT_LOG cont.39 + EPIPHANIES E-V3-PART-OF-IS-A-TILE. (q2 docs fetched via raw.githubusercontent + GH_TOKEN — api.github.com pygithub is org-app-gated 403.) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CcpLeEC3XK8Eye53GKBVvi
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Follow-up commit V3: each 16-bit HHTL tier = high byte Added: Consumer V1/V2→V3 awareness (flagged, not actioned — other session's surface):
(q2 docs fetched via Generated by Claude Code |
…r-tier spatial key
Re-wire the Spain-blackout perturbation cascade onto a CascadeKey whose three
16-bit roles — family / leaf / identity — are perfectly aligned with the cascade
tiers HEEL / HIP / TWIG. This is the OGAR production form the existing
hhtl::HhtlKey explicitly defers ("binary-Cheeger fills only the low bit per
tier, NOT that full encoding").
Grounded on OGAR P0 canon (256x256 centroid tile / Morton / 3x4) + ndarray
guid-prefix-shape-routing.md §4 ("the key selects the grid"). Each tier is a
full 16-bit 256x256 centroid tile (two byte-axes, nibble-interleaved
splat::morton2) built from the bus's basin::spectral_embedding position
(electrical coords — "topology IS the key", not geography). Three tiers => a
24-bit-per-axis Morton address; min-max normalization makes a nibble prefix a
quad-tree quadrant (the 256 = 4^4 ancestry condition).
One key, six lenses (proven in tests + examples/spain_cascade.rs):
- location: tile() decodes the key back to its spectral tile
- math: cascade_distance = 3 - shared_prefix_tiers, O(1) containment
- representation: to_guid_tiers() IS the canonical (HEEL,HIP,TWIG) triple
- substrate: three u16 = the NodeGuid cascade tiers (bytes 4..10);
morton48() is the packed SoA key
- learning+thinking: the blackout epicentre is prefix-local — measured mean
cascade-distance 1.000 vs 2.561 random baseline; the footprint
learns the basin tree and the cascade traverses the same key
+5 tests, all green; clippy -D warnings clean; fmt-clean (pre-existing
chaoda_surge_epicenter.rs drift left untouched). Zero-dep, deterministic. The
Spain perturbation artifact is extended additively, never deleted.
Board: AGENT_LOG cont.38 + EPIPHANIES E-CASCADE-KEY-IS-THE-SPATIAL-ADDRESS.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CcpLeEC3XK8Eye53GKBVvi
Adopt q2's V3 addressing (V3_SOA_WIRING.md / converge.rs) for the Spain electric-outage cascade: each 16-bit HHTL tier is an 8:8 split — high byte = part_of (PLACE/where, mereology), low byte = is_a (TISSUE/what, taxonomy). Two orthogonal prefix-routable hierarchies in one key; no layout change (an interpretation of the locked 3x u16 tiers, the 6-group NodeGuid). Additive to the V1/V2 CascadeKey (#605, spatial-only): - IsaPath { class, kind, sub } — the is_a low-byte taxonomy chain - CascadeKeyV3 { heel, hip, twig } — each tier (place<<8)|tissue + place_chain / tissue_chain / part_of_distance / is_a_distance / to_guid_tiers - cascade_keys_v3(grid, alive, &[IsaPath]) — place = 24-bit Morton spectral cell (3 octets, coarse->fine), tissue = the per-bus is_a taxonomy For the grid this is the better representation: a part_of prefix selects "which region blacked out", an is_a prefix selects "all generators / all loads" — two orthogonal queries on ONE key (V1/V2 spatial-only could not). EdgeBlock in-family = part_of/connected_to siblings = the lines the cascade propagates along. +4 V3 tests (9 total green): 8:8 packing, axis-independence, blackout part_of-locality + is_a source/sink separability, isa-count guard. examples/spain_cascade.rs extended with the V3 dual-query. clippy -D warnings clean, fmt-clean. Consumer-awareness (reported in PR/board, not actioned — other session's surface): lance-graph canonical_node lacks an 8:8 accessor (additive opportunity); q2 osint-bake/fma.rs's NodeGuid::new_v2(...LEAF...) is a 7-group API absent from canonical_node (I-LEGACY-API-FEATURE-GATED) — V3 is the 6-group-compatible resolution that sidesteps it. Board: AGENT_LOG cont.39 + EPIPHANIES E-V3-PART-OF-IS-A-TILE. (q2 docs fetched via raw.githubusercontent + GH_TOKEN — api.github.com pygithub is org-app-gated 403.) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CcpLeEC3XK8Eye53GKBVvi
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Re-wires the electric-outage (Spain-blackout) perturbation cascade onto a
CascadeKeywhose three 16-bit roles —family/leaf/identity— are perfectly aligned with the cascade tiers HEEL / HIP / TWIG. The OGAR production form the existinghhtl::HhtlKeydefers (its doc note: binary-Cheeger "fills only the low bit per tier… not that full encoding").Grounded on OGAR P0 canon (256×256 centroid tile / Morton / 3×4) + ndarray
guid-prefix-shape-routing.md§4. Each tier = a full 16-bit 256×256 centroid tile (nibble-interleavedsplat::morton2) from the bus'sbasin::spectral_embeddingposition ("topology IS the key", not geography). Three tiers ⇒ 24-bit-per-axis Morton; min-max norm ⇒ nibble prefix = quad-tree quadrant (the 256=4⁴ ancestry condition).One key, six lenses (proven in 5 tests +
examples/spain_cascade.rs):tile()decodes key → spectral tilecascade_distance = 3 − shared_prefix_tiers, O(1) Morton containmentto_guid_tiers()IS the canonical(HEEL,HIP,TWIG)u16= NodeGuid cascade tiers (bytes 4..10);morton48()= packed SoA keycargo test … cascade_key5/5; clippy-D warningsclean; fmt-clean (pre-existingchaoda_surge_epicenter.rsdrift untouched). Zero-dep, deterministic; the Spain artifact extended additively, never deleted.Fences: spectrally-symmetric clique buses collide at the finest tier (degenerate eigenvectors); locality is a single-probe figure (cite Jirak
n^(p/2−1), perI-NOISE-FLOOR-JIRAK).Board:
AGENT_LOGcont.³⁸ +EPIPHANIESE-CASCADE-KEY-IS-THE-SPATIAL-ADDRESS. Commit8d044e1fis unsigned (signing server 503;commit.gpgsign=falseper ada-docs workaround).🤖 Generated with Claude Code
Generated by Claude Code