Pith Number

pith:2OU4HUEL

pith:1999:2OU4HUELETPS35YG7CERK2NOAW

not attested not anchored not stored refs pending

The Origin of Chiral Anomaly and the Noncommutative Geometry

Peter Presnajder

arxiv:hep-th/9912050 v3 · 1999-12-07 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OU4HUELETPS35YG7CERK2NOAW}

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	2026-05-18T01:38:34.791535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a9c3d08b24df2df706f8891569ae059868a5cfbdca479f0b90ae8146ac3e6f

Aliases

arxiv: hep-th/9912050 · arxiv_version: hep-th/9912050v3 · doi: 10.48550/arxiv.hep-th/9912050 · pith_short_12: 2OU4HUELETPS · pith_short_16: 2OU4HUELETPS35YG · pith_short_8: 2OU4HUEL

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/2OU4HUELETPS35YG7CERK2NOAW \
  | 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: d3a9c3d08b24df2df706f8891569ae059868a5cfbdca479f0b90ae8146ac3e6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d91477ffffefe570aca9c77e3a739d8737b9e5323f452bfb69ee258d5249c53b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-12-07T11:16:04Z",
    "title_canon_sha256": "d3f80dccdc81fb7af91f8711616a836f231665a6da24f2e6ad8f88b9ee1f68d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9912050",
    "kind": "arxiv",
    "version": 3
  }
}