Pith Number

pith:XX7ELXPN

pith:2011:XX7ELXPNAYZOBWJLGGADCE326E

not attested not anchored not stored refs pending

Quantum measurement occurrence is undecidable

C. Gogolin, J. Eisert, M. P. Mueller

arxiv:1111.3965 v3 · 2011-11-16 · 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{XX7ELXPNAYZOBWJLGGADCE326E}

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	2026-05-18T03:50:37.492091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdfe45dded0632e0d92b318031137af10ef0f38dd8e6ce991089f5b8a8265e62

Aliases

arxiv: 1111.3965 · arxiv_version: 1111.3965v3 · doi: 10.48550/arxiv.1111.3965 · pith_short_12: XX7ELXPNAYZO · pith_short_16: XX7ELXPNAYZOBWJL · pith_short_8: XX7ELXPN

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/XX7ELXPNAYZOBWJLGGADCE326E \
  | 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: bdfe45dded0632e0d92b318031137af10ef0f38dd8e6ce991089f5b8a8265e62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30dbea23f628451b2a9454f1e0f9335b4dd6c261a2056cc026c7aa7e9b18bf67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-16T21:12:47Z",
    "title_canon_sha256": "710f19d6dbf07513b8c0bcee1f3b22b10af6ba5953c019f88cbf615b708abc10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3965",
    "kind": "arxiv",
    "version": 3
  }
}