Pith Number

pith:X2PLXCSA

pith:2005:X2PLXCSA6VF65ZPA2FKCS67555

not attested not anchored not stored refs pending

Commuting multiparty quantum observables and local compatibility

Claudio Altafini

arxiv:quant-ph/0505223 v1 · 2005-05-30 · 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{X2PLXCSA6VF65ZPA2FKCS67555}

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	2026-05-18T00:06:53.843034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be9ebb8a40f54beee5e0d154297bfdef5c2c230ebbeaae15dc69ec6a4304fe8d

Aliases

arxiv: quant-ph/0505223 · arxiv_version: quant-ph/0505223v1 · doi: 10.48550/arxiv.quant-ph/0505223 · pith_short_12: X2PLXCSA6VF6 · pith_short_16: X2PLXCSA6VF65ZPA · pith_short_8: X2PLXCSA

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/X2PLXCSA6VF65ZPA2FKCS67555 \
  | 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: be9ebb8a40f54beee5e0d154297bfdef5c2c230ebbeaae15dc69ec6a4304fe8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be39288d2896470faf0be94b8211132d18fab6afebca0c5b44c38b280c17c3f4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-05-30T13:35:45Z",
    "title_canon_sha256": "7db8856e7186925f3321e637ed602b524fde1b41c0d62d933bf6878426aa4823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0505223",
    "kind": "arxiv",
    "version": 1
  }
}