Pith Number

pith:6UNXSODT

pith:2013:6UNXSODTEGV54NPOE7XJYPYSVF

not attested not anchored not stored refs pending

(c-)AND: A new graph model

Christopher Thraves, Mauricio Soto

arxiv:1306.1957 v3 · 2013-06-08 · 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{6UNXSODTEGV54NPOE7XJYPYSVF}

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	2026-05-18T03:11:46.519197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f51b79387321abde35ee27ee9c3f12a965fa9f4699c5791da24540fce2a75fff

Aliases

arxiv: 1306.1957 · arxiv_version: 1306.1957v3 · doi: 10.48550/arxiv.1306.1957 · pith_short_12: 6UNXSODTEGV5 · pith_short_16: 6UNXSODTEGV54NPO · pith_short_8: 6UNXSODT

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/6UNXSODTEGV54NPOE7XJYPYSVF \
  | 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: f51b79387321abde35ee27ee9c3f12a965fa9f4699c5791da24540fce2a75fff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e051f8c522543358861aa2f8e2cfe50243cd5b085962cf1cf9357fc2195cddcc",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-06-08T20:38:54Z",
    "title_canon_sha256": "140da47d656c2f7a129792f4efdcb6ef6277bdf4b632ad7c811f102ec3815b97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1957",
    "kind": "arxiv",
    "version": 3
  }
}