Pith Number

pith:SH4IICIF

pith:2013:SH4IICIFHRKLYISCAPP7DXEPRW

not attested not anchored not stored refs pending

Feynman Categories

Benjamin C. Ward, Ralph M. Kaufmann

arxiv:1312.1269 v3 · 2013-12-04 · math.AT · hep-th · math.AG · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SH4IICIFHRKLYISCAPP7DXEPRW}

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	2026-05-18T00:43:18.932430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91f88409053c54bc224203dff1dc8f8d82db4a348e2ce50d0526af2367b9b8e1

Aliases

arxiv: 1312.1269 · arxiv_version: 1312.1269v3 · doi: 10.48550/arxiv.1312.1269 · pith_short_12: SH4IICIFHRKL · pith_short_16: SH4IICIFHRKLYISC · pith_short_8: SH4IICIF

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/SH4IICIFHRKLYISCAPP7DXEPRW \
  | 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: 91f88409053c54bc224203dff1dc8f8d82db4a348e2ce50d0526af2367b9b8e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da7e93276fa0ebc57e8a681d5a231501ec55adf829e00e28a57ee814adf38d0e",
    "cross_cats_sorted": [
      "hep-th",
      "math.AG",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-12-04T18:31:01Z",
    "title_canon_sha256": "90ec58bf2fd396ed72413a939a989e7be5aeb7adf59c022965a92a9947df30c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1269",
    "kind": "arxiv",
    "version": 3
  }
}