Pith Number

pith:JVHJGDCM

pith:2010:JVHJGDCM2BWDSWBDIUPUPR6GY7

not attested not anchored not stored refs pending

Holographic Algorithms with Matchgates Capture Precisely Tractable Planar #CSP

Jin-Yi Cai, Mingji Xia, Pinyan Lu

arxiv:1008.0683 v1 · 2010-08-04 · 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{JVHJGDCM2BWDSWBDIUPUPR6GY7}

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	2026-05-18T04:42:35.903854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d4e930c4cd06c395823451f47c7c6c7c3ffff444891336fda700a2596c6bdd6

Aliases

arxiv: 1008.0683 · arxiv_version: 1008.0683v1 · doi: 10.48550/arxiv.1008.0683 · pith_short_12: JVHJGDCM2BWD · pith_short_16: JVHJGDCM2BWDSWBD · pith_short_8: JVHJGDCM

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/JVHJGDCM2BWDSWBDIUPUPR6GY7 \
  | 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: 4d4e930c4cd06c395823451f47c7c6c7c3ffff444891336fda700a2596c6bdd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00db3df92f0e0adf6b6a335fb0f76cd9122bc1a011f77cd0f1ce3d102882a079",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2010-08-04T01:24:36Z",
    "title_canon_sha256": "6919c43bb49040494f797521151706c59593323dc9bb83a1e30d002ee8b9b073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0683",
    "kind": "arxiv",
    "version": 1
  }
}