Pith Number

pith:SLSIGXFF

pith:2015:SLSIGXFFG4X35GHOKZ2IMYWTQY

not attested not anchored not stored refs pending

Chocolate Numbers

Angela Song, Caleb Ji, Robin Park, Tanya Khovanova

arxiv:1509.06093 v1 · 2015-09-21 · 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{SLSIGXFFG4X35GHOKZ2IMYWTQY}

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	2026-05-18T01:32:35.854323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92e4835ca5372fbe98ee56748662d38619c983830fd54ad3699436a4b1161451

Aliases

arxiv: 1509.06093 · arxiv_version: 1509.06093v1 · doi: 10.48550/arxiv.1509.06093 · pith_short_12: SLSIGXFFG4X3 · pith_short_16: SLSIGXFFG4X35GHO · pith_short_8: SLSIGXFF

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/SLSIGXFFG4X35GHOKZ2IMYWTQY \
  | 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: 92e4835ca5372fbe98ee56748662d38619c983830fd54ad3699436a4b1161451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee303bf63a128371f6ece57d1ce38ae88b0f846714b2edc7aae865c48611ee77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-09-21T02:11:12Z",
    "title_canon_sha256": "6d9ae528818b8206d230f215bf37edff8ece582aa7caf0c6bb8d587143145cd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06093",
    "kind": "arxiv",
    "version": 1
  }
}