Pith Number

pith:WZ4ZEGZC

pith:2011:WZ4ZEGZC2DRVPHKK7IL7DTDLK4

not attested not anchored not stored refs pending

A Bayesian approach to compatibility, improvement, and pooling of quantum states

M. S. Leifer, R. W. Spekkens

arxiv:1110.1085 v1 · 2011-10-05 · 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{WZ4ZEGZC2DRVPHKK7IL7DTDLK4}

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	2026-05-18T02:48:18.033691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b679921b22d0e3579d4afa17f1cc6b5721e0f8df52a617fddfd527c73f1ff519

Aliases

arxiv: 1110.1085 · arxiv_version: 1110.1085v1 · doi: 10.48550/arxiv.1110.1085 · pith_short_12: WZ4ZEGZC2DRV · pith_short_16: WZ4ZEGZC2DRVPHKK · pith_short_8: WZ4ZEGZC

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/WZ4ZEGZC2DRVPHKK7IL7DTDLK4 \
  | 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: b679921b22d0e3579d4afa17f1cc6b5721e0f8df52a617fddfd527c73f1ff519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cac4f8e70b72e303c14859113fec854e06bfa9e917f0e354c35ae71e1c7fe95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-10-05T20:00:02Z",
    "title_canon_sha256": "a60477fdc61d04c8a371db52bb93ad2b9b676f541032bf4878dc256ebe8aa813"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1085",
    "kind": "arxiv",
    "version": 1
  }
}