Pith Number

pith:AH327P6X

pith:2018:AH327P6XMEIF2W3ZPARCQA3XFG

not attested not anchored not stored refs pending

How to share a cake with a secret agent

Guillaume Ch\`eze (IMT)

arxiv:1810.06913 v1 · 2018-10-16 · cs.MA · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AH327P6XMEIF2W3ZPARCQA3XFG}

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	2026-05-18T00:03:11.105816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01f7afbfd761105d5b7978222803772995fdcfe36e5746af16b45697509409ec

Aliases

arxiv: 1810.06913 · arxiv_version: 1810.06913v1 · doi: 10.48550/arxiv.1810.06913 · pith_short_12: AH327P6XMEIF · pith_short_16: AH327P6XMEIF2W3Z · pith_short_8: AH327P6X

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/AH327P6XMEIF2W3ZPARCQA3XFG \
  | 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: 01f7afbfd761105d5b7978222803772995fdcfe36e5746af16b45697509409ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d91771f3566dbc11925fc2d2b6c034998ce8bf91fecd2710ad53458797847cb",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2018-10-16T10:20:06Z",
    "title_canon_sha256": "4a13387a41097aede8269db7ff36ea1b12199a6c06558f58405b4678773cdabd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06913",
    "kind": "arxiv",
    "version": 1
  }
}