Pith Number

pith:CUVNM7W4

pith:2013:CUVNM7W4G5OSLDIEBCX7O5J3GA

not attested not anchored not stored refs pending

Holographic Algorithms Beyond Matchgates

Heng Guo, Jin-Yi Cai, Tyson Williams

arxiv:1307.7430 v2 · 2013-07-29 · cs.DS · 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{CUVNM7W4G5OSLDIEBCX7O5J3GA}

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	2026-05-18T00:26:18.701288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

152ad67edc375d258d0408aff7753b301064649025b9cb87e903fd0fbe5d74f2

Aliases

arxiv: 1307.7430 · arxiv_version: 1307.7430v2 · doi: 10.48550/arxiv.1307.7430 · pith_short_12: CUVNM7W4G5OS · pith_short_16: CUVNM7W4G5OSLDIE · pith_short_8: CUVNM7W4

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/CUVNM7W4G5OSLDIEBCX7O5J3GA \
  | 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: 152ad67edc375d258d0408aff7753b301064649025b9cb87e903fd0fbe5d74f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9487240d5f2caf59b62ba101b276d36a193a0b4dd96c1fd33c867819c6c27239",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-07-29T01:19:18Z",
    "title_canon_sha256": "7ce3ddcb491f1e2bbe32211f8dc0770539c14e1ba54c32ea5df758916084f30d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7430",
    "kind": "arxiv",
    "version": 2
  }
}