Pith Number

pith:A37WU2PA

pith:2006:A37WU2PADVW5HM3TMBJL3JK5DN

not attested not anchored not stored refs pending

On the Impossibility of a Quantum Sieve Algorithm for Graph Isomorphism

Alexander Russell, Cristopher Moore

arxiv:quant-ph/0609138 v1 · 2006-09-18 · quant-ph · cs.CC · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A37WU2PADVW5HM3TMBJL3JK5DN}

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	2026-07-04T14:56:46.696018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06ff6a69e01d6dd3b3736052bda55d1b6236a5abd82ce474f5e24c5b89408802

Aliases

arxiv: quant-ph/0609138 · arxiv_version: quant-ph/0609138v1 · doi: 10.48550/arxiv.quant-ph/0609138 · pith_short_12: A37WU2PADVW5 · pith_short_16: A37WU2PADVW5HM3T · pith_short_8: A37WU2PA

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/A37WU2PADVW5HM3TMBJL3JK5DN \
  | 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: 06ff6a69e01d6dd3b3736052bda55d1b6236a5abd82ce474f5e24c5b89408802

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec9031ed5bfca97c00c7555c5c394bcb5a0a66e67e05af45993dd61c20912954",
    "cross_cats_sorted": [
      "cs.CC",
      "math.RT"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-09-18T20:01:41Z",
    "title_canon_sha256": "524153814021fe31e4eb754e54fa201a78d3c176281f9719d78818491a18c844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0609138",
    "kind": "arxiv",
    "version": 1
  }
}