Pith Number

pith:N3KF5DIR

pith:2016:N3KF5DIRJN3BPEPFCKBS4APF6Y

not attested not anchored not stored refs pending

Logic Programming with Graph Automorphism: Integrating naut with Prolog (Tool Description)

Michael Codish, Michael Frank

arxiv:1607.04829 v2 · 2016-07-17 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3KF5DIRJN3BPEPFCKBS4APF6Y}

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	2026-05-18T01:10:14.082645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ed45e8d114b761791e512832e01e5f6357f8d2d8bfef8fd86126a96b4191422

Aliases

arxiv: 1607.04829 · arxiv_version: 1607.04829v2 · doi: 10.48550/arxiv.1607.04829 · pith_short_12: N3KF5DIRJN3B · pith_short_16: N3KF5DIRJN3BPEPF · pith_short_8: N3KF5DIR

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/N3KF5DIRJN3BPEPFCKBS4APF6Y \
  | 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: 6ed45e8d114b761791e512832e01e5f6357f8d2d8bfef8fd86126a96b4191422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b134fabb228b79f8448fc4bdff1ad0324951c9255f6a1e4ac360680b90d881ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-07-17T04:55:50Z",
    "title_canon_sha256": "6ff0d5acbfc4186a55523584a989168b13ecd45ee4ab0cc129e77591ad1e13b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04829",
    "kind": "arxiv",
    "version": 2
  }
}