Pith Number

pith:NPK6KW2P

pith:2014:NPK6KW2PRZDFWB24ZMWYBOT7QL

not attested not anchored not stored refs pending

Counting-Based Search: Branching Heuristics for Constraint Satisfaction Problems

Alessandro Zanarini, Claude-Guy Quimper, Gilles Pesant

arxiv:1401.4601 v1 · 2014-01-18 · 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{NPK6KW2PRZDFWB24ZMWYBOT7QL}

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	2026-05-18T03:01:45.276845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd5e55b4f8e465b075ccb2d80ba7f82f5eaba03473c0bfb462f19beb230b62c

Aliases

arxiv: 1401.4601 · arxiv_version: 1401.4601v1 · doi: 10.48550/arxiv.1401.4601 · pith_short_12: NPK6KW2PRZDF · pith_short_16: NPK6KW2PRZDFWB24 · pith_short_8: NPK6KW2P

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/NPK6KW2PRZDFWB24ZMWYBOT7QL \
  | 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: 6bd5e55b4f8e465b075ccb2d80ba7f82f5eaba03473c0bfb462f19beb230b62c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cfd29581d2f6ea7f07d3b56c4d633b2c61a438447f29ffedfcf76129c16cc0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-01-18T21:09:25Z",
    "title_canon_sha256": "6b46f3e93a815324241536dbec7c415153c2ea1f164321d9ab98eb88df635634"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4601",
    "kind": "arxiv",
    "version": 1
  }
}