Pith Number

pith:57FIYEE7

pith:2014:57FIYEE7JANU7O2CNO7CLINYOB

not attested not anchored not stored refs pending

Short and Long Supports for Constraint Propagation

Christopher Jefferson, Ian Miguel, Ian Philip Gent, Peter Nightingale

arxiv:1402.0559 v1 · 2014-02-04 · 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{57FIYEE7JANU7O2CNO7CLINYOB}

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	2026-05-18T03:00:13.953981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efca8c109f481b4fbb426bbe25a1b87067ad2be50433821f4a029386e5ae07c5

Aliases

arxiv: 1402.0559 · arxiv_version: 1402.0559v1 · doi: 10.48550/arxiv.1402.0559 · pith_short_12: 57FIYEE7JANU · pith_short_16: 57FIYEE7JANU7O2C · pith_short_8: 57FIYEE7

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/57FIYEE7JANU7O2CNO7CLINYOB \
  | 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: efca8c109f481b4fbb426bbe25a1b87067ad2be50433821f4a029386e5ae07c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade3d24886acd15275b8fb32dc5b07efd3596570219f3530b1c0fd93970417a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-02-04T01:34:04Z",
    "title_canon_sha256": "336abbf4f50acc564e9eb91bc3e8fb1aeeda500e4a737445200c2f94704103b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0559",
    "kind": "arxiv",
    "version": 1
  }
}