Pith Number

pith:B3LWAKBZ

pith:2004:B3LWAKBZNPKRLFC3UXMEVZLLV3

not attested not anchored not stored refs pending

Unknown Quantum States and Operations, a Bayesian View

Christopher A. Fuchs, Ruediger Schack

arxiv:quant-ph/0404156 v1 · 2004-04-27 · 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{B3LWAKBZNPKRLFC3UXMEVZLLV3}

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	2026-05-18T00:37:24.063163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ed76028396bd515945ba5d84ae56baefc676ac64d3078baf72bc172f9bff694

Aliases

arxiv: quant-ph/0404156 · arxiv_version: quant-ph/0404156v1 · doi: 10.48550/arxiv.quant-ph/0404156 · pith_short_12: B3LWAKBZNPKR · pith_short_16: B3LWAKBZNPKRLFC3 · pith_short_8: B3LWAKBZ

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/B3LWAKBZNPKRLFC3UXMEVZLLV3 \
  | 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: 0ed76028396bd515945ba5d84ae56baefc676ac64d3078baf72bc172f9bff694

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bbeb366478517650af43e28e6f5f510cf0f28abb6488c5288f53a88604376fa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-04-27T14:43:13Z",
    "title_canon_sha256": "8baf0aa8233ba2d25aa18450c3327574d18e5f902e12f001945514f08bb4222a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0404156",
    "kind": "arxiv",
    "version": 1
  }
}