Pith Number

pith:QSNUNLAO

pith:2016:QSNUNLAO7RWATNUYTX7JHBPMNG

not attested not anchored not stored refs pending

Friendly frogs, stable marriage, and the magic of invariance

Alexander E. Holroyd, James B. Martin, Maria Deijfen

arxiv:1604.03161 v1 · 2016-04-11 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSNUNLAO7RWATNUYTX7JHBPMNG}

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	2026-05-18T01:17:16.301551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

849b46ac0efc6c09b6989dfe9385ec698decccfeff8262c19d069b9868ef6aba

Aliases

arxiv: 1604.03161 · arxiv_version: 1604.03161v1 · doi: 10.48550/arxiv.1604.03161 · pith_short_12: QSNUNLAO7RWA · pith_short_16: QSNUNLAO7RWATNUY · pith_short_8: QSNUNLAO

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/QSNUNLAO7RWATNUYTX7JHBPMNG \
  | 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: 849b46ac0efc6c09b6989dfe9385ec698decccfeff8262c19d069b9868ef6aba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "981a9bc3a83a5d5e6412a8908e1ea6b0047b5072bda5d3565f43148d81de9138",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2016-04-11T21:43:16Z",
    "title_canon_sha256": "f0f4a5d64506e6fd1d532f4a2a9e24e38bfd8b8a083c4b25f3825ba645cc7874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03161",
    "kind": "arxiv",
    "version": 1
  }
}