Pith Number

pith:FX4BSUGQ

pith:2010:FX4BSUGQY66GYI3ZAPLAZY7MCK

not attested not anchored not stored refs pending

Testing product states, quantum Merlin-Arthur games and tensor optimisation

Aram W. Harrow, Ashley Montanaro

arxiv:1001.0017 v6 · 2010-01-04 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FX4BSUGQY66GYI3ZAPLAZY7MCK}

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.

Cited by

1 paper in Pith

Unentangled stoquastic Merlin-Arthur proof systems: the power of unentanglement without destructive interference

Receipt and verification

First computed	2026-05-18T03:11:36.186631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2df81950d0c7bc6c237903d60ce3ec128860cc58059ac9fcdda56a16a2a3b6cb

Aliases

arxiv: 1001.0017 · arxiv_version: 1001.0017v6 · doi: 10.48550/arxiv.1001.0017 · pith_short_12: FX4BSUGQY66G · pith_short_16: FX4BSUGQY66GYI3Z · pith_short_8: FX4BSUGQ

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/FX4BSUGQY66GYI3ZAPLAZY7MCK \
  | 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: 2df81950d0c7bc6c237903d60ce3ec128860cc58059ac9fcdda56a16a2a3b6cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ef84739fb0b13a99930a4e47c95788136a67b37d4a9a7eb95e89247cc04ab03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-01-04T18:01:41Z",
    "title_canon_sha256": "737ccecd804fb5b528fb3c5081c1717257892f1e8e1b9a416fe046fa89b84beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0017",
    "kind": "arxiv",
    "version": 6
  }
}