Pith Number

pith:W7Y3HFRK

pith:2011:W7Y3HFRK34WERUFOADLMGMR7HS

not attested not anchored not stored refs pending

The Run Transform

David Callan, Emeric Deutsch

arxiv:1112.3639 v1 · 2011-12-15 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7Y3HFRK34WERUFOADLMGMR7HS}

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	2026-05-18T04:06:18.070488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7f1b3962adf2c48d0ae00d6c3323f3c92157d556e049d5a76fdb019b5cb6dae

Aliases

arxiv: 1112.3639 · arxiv_version: 1112.3639v1 · doi: 10.48550/arxiv.1112.3639 · pith_short_12: W7Y3HFRK34WE · pith_short_16: W7Y3HFRK34WERUFO · pith_short_8: W7Y3HFRK

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/W7Y3HFRK34WERUFOADLMGMR7HS \
  | 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: b7f1b3962adf2c48d0ae00d6c3323f3c92157d556e049d5a76fdb019b5cb6dae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eaf6de7223cc1816c7bb4ed053cb7771fba832e7a6aad977837c8e111c21dd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-12-15T20:29:01Z",
    "title_canon_sha256": "2114577d73256034739a2d6952c3ed4249aa077c6188abb1f3bb7f4914d63d34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3639",
    "kind": "arxiv",
    "version": 1
  }
}