Pith Number

pith:JGRSP46O

pith:2002:JGRSP46OUL55JCVK5KOB6SS527

not attested not anchored not stored refs pending

Quantum Information and Spacetime Structure

Igor V. Volovich

arxiv:quant-ph/0207050 v1 · 2002-07-09 · quant-ph · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JGRSP46OUL55JCVK5KOB6SS527}

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	2026-05-18T01:05:04.424219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49a327f3cea2fbd48aaaea9c1f4a5dd7e0badac90717fb81f827b4792cbe9b51

Aliases

arxiv: quant-ph/0207050 · arxiv_version: quant-ph/0207050v1 · doi: 10.48550/arxiv.quant-ph/0207050 · pith_short_12: JGRSP46OUL55 · pith_short_16: JGRSP46OUL55JCVK · pith_short_8: JGRSP46O

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/JGRSP46OUL55JCVK5KOB6SS527 \
  | 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: 49a327f3cea2fbd48aaaea9c1f4a5dd7e0badac90717fb81f827b4792cbe9b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f328f6864fea20e245ff5a87bd54feb9deb608ec1605d4e6c77b8cc28047cc66",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-07-09T20:18:51Z",
    "title_canon_sha256": "5bf5c3258d010382bef2b64c0c1ccddf0c6344e19f133650ff6a4a541278f80b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0207050",
    "kind": "arxiv",
    "version": 1
  }
}