Pith Number

pith:7JQDGT4V

pith:2026:7JQDGT4V3UDBOPVL5RSZLS2H5E

not attested not anchored not stored refs pending

Singular Vectors of Attention Heads Align with Features

Carson Loughridge, Gabriel Franco, Mark Crovella

arxiv:2602.13524 v2 · 2026-02-13 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JQDGT4V3UDBOPVL5RSZLS2H5E}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-28T02:04:46.237495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa60334f95dd06173eabec6595cb47e902b9d94836d936a17389d5b74d2f4745

Aliases

arxiv: 2602.13524 · arxiv_version: 2602.13524v2 · doi: 10.48550/arxiv.2602.13524 · pith_short_12: 7JQDGT4V3UDB · pith_short_16: 7JQDGT4V3UDBOPVL · pith_short_8: 7JQDGT4V

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7JQDGT4V3UDBOPVL5RSZLS2H5E \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fa60334f95dd06173eabec6595cb47e902b9d94836d936a17389d5b74d2f4745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8715f4dc3d160ced3a0a362c69a2d3d6a95b7697b39185139ff4068f451f001",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-13T23:30:02Z",
    "title_canon_sha256": "30b680498cf8c884bc403b4e082e0961c42b22b37cb651e27f5f676eeea66c82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.13524",
    "kind": "arxiv",
    "version": 2
  }
}