Pith Number

pith:T4S7NS6A

pith:2013:T4S7NS6A2WHG2MALFURO2QXCOI

not attested not anchored not stored refs pending

On Uni Chord Free Graphs

Adithya Seshadri, Mahati Kumar, N.Sadagopan, S.Manasvini

arxiv:1311.1928 v3 · 2013-11-08 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4S7NS6A2WHG2MALFURO2QXCOI}

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	2026-05-18T02:39:25.645092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f25f6cbc0d58e6d300b2d22ed42e2721c1d3d3ad350b12428e8536676b0ce69

Aliases

arxiv: 1311.1928 · arxiv_version: 1311.1928v3 · doi: 10.48550/arxiv.1311.1928 · pith_short_12: T4S7NS6A2WHG · pith_short_16: T4S7NS6A2WHG2MAL · pith_short_8: T4S7NS6A

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/T4S7NS6A2WHG2MALFURO2QXCOI \
  | 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: 9f25f6cbc0d58e6d300b2d22ed42e2721c1d3d3ad350b12428e8536676b0ce69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c0b9c46bf86d31341e274fc1692475964dbcf10e2a3d6550c5b68290ee30029",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-11-08T10:46:04Z",
    "title_canon_sha256": "5d4a3da3f70c6ffea8300b379d26a2e0775280d338f5fdfeced3f9f711fa6625"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1928",
    "kind": "arxiv",
    "version": 3
  }
}