Pith Number

pith:JMQUSQW2

pith:2014:JMQUSQW2SLYR4VXK2T6WQEFH4T

not attested not anchored not stored refs pending

Conservative constraint satisfaction re-revisited

Andrei A. Bulatov

arxiv:1408.3690 v1 · 2014-08-16 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMQUSQW2SLYR4VXK2T6WQEFH4T}

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.

Cited by

1 paper in Pith

Graph Homomorphisms and Universal Algebra

Receipt and verification

First computed	2026-05-18T02:45:03.568990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b214942da92f11e56ead4fd6810a7e4f279d61827e82f8adefbcc8fcfd3ac5e

Aliases

arxiv: 1408.3690 · arxiv_version: 1408.3690v1 · doi: 10.48550/arxiv.1408.3690 · pith_short_12: JMQUSQW2SLYR · pith_short_16: JMQUSQW2SLYR4VXK · pith_short_8: JMQUSQW2

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/JMQUSQW2SLYR4VXK2T6WQEFH4T \
  | 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: 4b214942da92f11e56ead4fd6810a7e4f279d61827e82f8adefbcc8fcfd3ac5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a019d79f5f9f6268e0db6088fbfbf6b96cd0c7daeb5c56620c78681006edcb10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-08-16T01:10:16Z",
    "title_canon_sha256": "92306374cb83e7fce9fa3b3dbc6f990a0a751051efb3ff4e1109232f57991f18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3690",
    "kind": "arxiv",
    "version": 1
  }
}