Pith Number

pith:Q57G4FJB

pith:2011:Q57G4FJB6KOOWCEOX4VT3VP64B

not attested not anchored not stored refs pending

False loss of coherence

William G. Unruh

arxiv:1110.2199 v1 · 2011-10-10 · 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{Q57G4FJB6KOOWCEOX4VT3VP64B}

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	2026-05-18T04:11:17.422398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

877e6e1521f29ceb088ebf2b3dd5fee072db68c9c99611bd73746bdd62ff9cb3

Aliases

arxiv: 1110.2199 · arxiv_version: 1110.2199v1 · doi: 10.48550/arxiv.1110.2199 · pith_short_12: Q57G4FJB6KOO · pith_short_16: Q57G4FJB6KOOWCEO · pith_short_8: Q57G4FJB

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/Q57G4FJB6KOOWCEOX4VT3VP64B \
  | 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: 877e6e1521f29ceb088ebf2b3dd5fee072db68c9c99611bd73746bdd62ff9cb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d9a1450c7dd64bb26783c85721cd4ce50c9abd84e852496ee3c671ffbee0137",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-10-10T21:14:43Z",
    "title_canon_sha256": "2738158bd4da754bbd764bd65f17ecabccfdf891809d6a9e1eabd8318b1902a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2199",
    "kind": "arxiv",
    "version": 1
  }
}