Pith Number

pith:6AGZU3GF

pith:2026:6AGZU3GFIOYQPJSSR3KXLHUDKG

not attested not anchored not stored refs pending

Spectral Signatures of Large Language Models

Hengrui Luo, Ishan V. Prasad, Pu Ren, Yaoqing Yang, Yuanzhe Hu, Zhuoying Zhang, Zihang Liu

arxiv:2607.03377 v1 · 2026-07-03 · cs.CL · 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{6AGZU3GFIOYQPJSSR3KXLHUDKG}

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	2026-07-07T02:17:40.339188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f00d9a6cc543b107a6528ed5759e8351a76196d4156cbd675c9ceb5e48e9e22a

Aliases

arxiv: 2607.03377 · arxiv_version: 2607.03377v1 · doi: 10.48550/arxiv.2607.03377 · pith_short_12: 6AGZU3GFIOYQ · pith_short_16: 6AGZU3GFIOYQPJSS · pith_short_8: 6AGZU3GF

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/6AGZU3GFIOYQPJSSR3KXLHUDKG \
  | 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: f00d9a6cc543b107a6528ed5759e8351a76196d4156cbd675c9ceb5e48e9e22a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4849e36b4f360134a88928d3d6b4057e7ee43ffb43bef38c65f1a592ca080c1a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-03T14:30:22Z",
    "title_canon_sha256": "fcbe5a4f512ee5846ebe05ca7ce2e1ccd0ce6ef9ba0dbbc6b955700c6b52ef49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03377",
    "kind": "arxiv",
    "version": 1
  }
}