Pith Number

pith:NF52MMNZ

pith:2015:NF52MMNZNQVDG4TF7JUCSHLR6Y

not attested not anchored not stored refs pending

Doubled patterns are $3$-avoidable

Pascal Ochem

arxiv:1510.01753 v1 · 2015-10-06 · cs.DM · 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{NF52MMNZNQVDG4TF7JUCSHLR6Y}

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	2026-05-18T01:30:50.466234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

697ba631b96c2a337265fa68291d71f626108b9885bd21f1548d186a03af0b29

Aliases

arxiv: 1510.01753 · arxiv_version: 1510.01753v1 · doi: 10.48550/arxiv.1510.01753 · pith_short_12: NF52MMNZNQVD · pith_short_16: NF52MMNZNQVDG4TF · pith_short_8: NF52MMNZ

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/NF52MMNZNQVDG4TF7JUCSHLR6Y \
  | 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: 697ba631b96c2a337265fa68291d71f626108b9885bd21f1548d186a03af0b29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9743d6cb6716c621b3b5452853e6cac32253038f83d20a2f34eb705f60e0123",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-10-06T20:43:15Z",
    "title_canon_sha256": "8a3c2ec18e1a2d80549b7bca8ef7fa919c59da1fd6e42c393c015075b3d6a669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01753",
    "kind": "arxiv",
    "version": 1
  }
}