Pith Number

pith:JBTCN3J2

pith:2017:JBTCN3J2RTS5W6QH64GSOWPEFD

not attested not anchored not stored refs pending

Total proper connection and graph operations

Xiaoyu Zhu, Yingying Zhang

arxiv:1705.02487 v1 · 2017-05-06 · 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{JBTCN3J2RTS5W6QH64GSOWPEFD}

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	2026-05-18T00:44:56.399867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

486626ed3a8ce5db7a07f70d2759e428c272217352d261f8afca80eddfe0d91b

Aliases

arxiv: 1705.02487 · arxiv_version: 1705.02487v1 · doi: 10.48550/arxiv.1705.02487 · pith_short_12: JBTCN3J2RTS5 · pith_short_16: JBTCN3J2RTS5W6QH · pith_short_8: JBTCN3J2

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/JBTCN3J2RTS5W6QH64GSOWPEFD \
  | 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: 486626ed3a8ce5db7a07f70d2759e428c272217352d261f8afca80eddfe0d91b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6847c1f7c1547e9cb0c12dc4dfd5715f2f637091f1b143271b313e287c317646",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-06T14:19:27Z",
    "title_canon_sha256": "b82df414abb3d01da3d2bd78fcd5f705556df0d5cc4a4d3ab49c00f546808459"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02487",
    "kind": "arxiv",
    "version": 1
  }
}