Pith Number

pith:I5QGR466

pith:2014:I5QGR466AOJM6BOPPKFD4JH6L6

not attested not anchored not stored refs pending

A factorization criterion for acyclic directed mixed graphs

Thomas S. Richardson

arxiv:1406.6764 v1 · 2014-06-26 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5QGR466AOJM6BOPPKFD4JH6L6}

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	2026-05-18T02:48:55.945542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

476068f3de0392cf05cf7a8a3e24fe5fb846f661b5911782407473807f0055bc

Aliases

arxiv: 1406.6764 · arxiv_version: 1406.6764v1 · doi: 10.48550/arxiv.1406.6764 · pith_short_12: I5QGR466AOJM · pith_short_16: I5QGR466AOJM6BOP · pith_short_8: I5QGR466

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/I5QGR466AOJM6BOPPKFD4JH6L6 \
  | 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: 476068f3de0392cf05cf7a8a3e24fe5fb846f661b5911782407473807f0055bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ff4dda0b8f35303e6c108838d2c09a5360b5da212152efbc5302759c8ec9848",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-06-26T04:21:47Z",
    "title_canon_sha256": "f9329804dff8bc7e261febb8a2826ca2b3a99ad9b2cb06be3f30349e1ec9d9d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6764",
    "kind": "arxiv",
    "version": 1
  }
}