Pith Number

pith:ITHCKCNU

pith:2014:ITHCKCNU5GN6OU6L6KRC2GME7Y

not attested not anchored not stored refs pending

Concurrent Cube-and-Conquer

Armin Biere, Marijn J.H. Heule, Peter van der Tak

arxiv:1402.4465 v1 · 2014-02-18 · cs.DS · 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{ITHCKCNU5GN6OU6L6KRC2GME7Y}

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	2026-05-18T02:58:43.803114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44ce2509b4e99be753cbf2a22d1984fe375bbd3566c18c4d9499e273915cda83

Aliases

arxiv: 1402.4465 · arxiv_version: 1402.4465v1 · doi: 10.48550/arxiv.1402.4465 · pith_short_12: ITHCKCNU5GN6 · pith_short_16: ITHCKCNU5GN6OU6L · pith_short_8: ITHCKCNU

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/ITHCKCNU5GN6OU6L6KRC2GME7Y \
  | 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: 44ce2509b4e99be753cbf2a22d1984fe375bbd3566c18c4d9499e273915cda83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3307f2c713b351ceb5ca6d3a06123c99eb438166acdc3541a918bf771c6fb6b0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-02-18T20:39:30Z",
    "title_canon_sha256": "72a2eed59b9a8670a35e6eab75949b56d2c88fabd6e276cbb5ae696ad54c8171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4465",
    "kind": "arxiv",
    "version": 1
  }
}