Pith Number

pith:UDUMC5QP

pith:2005:UDUMC5QPFQ55ZXE24G4QTMKNI2

not attested not anchored not stored refs pending

On a class of 2-surface observables in general relativity

Laszlo B Szabados

arxiv:gr-qc/0511059 v2 · 2005-11-11 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDUMC5QPFQ55ZXE24G4QTMKNI2}

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	2026-05-18T01:39:20.326290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e8c1760f2c3bdcdc9ae1b909b14d46a5248e4675568cd5b1a42ef802041229

Aliases

arxiv: gr-qc/0511059 · arxiv_version: gr-qc/0511059v2 · doi: 10.48550/arxiv.gr-qc/0511059 · pith_short_12: UDUMC5QPFQ55 · pith_short_16: UDUMC5QPFQ55ZXE2 · pith_short_8: UDUMC5QP

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/UDUMC5QPFQ55ZXE24G4QTMKNI2 \
  | 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: a0e8c1760f2c3bdcdc9ae1b909b14d46a5248e4675568cd5b1a42ef802041229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "019fdd4936e56eb217286a1953f5908ae35c251d24015a4a7581213abaf292d4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-11-11T15:18:07Z",
    "title_canon_sha256": "2cea4ab7fe8fa3c73ab0e56d10f9f5176fdb03db31fb72d63b63bcc0b8d449cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0511059",
    "kind": "arxiv",
    "version": 2
  }
}