Pith Number

pith:POVKANQY

pith:2002:POVKANQYYT5H3QWKBJILVIOJUT

not attested not anchored not stored refs pending

Extremal Isolated Horizons: A Local Uniqueness Theorem

Jerzy lewandowski, Tomasz Pawlowski

arxiv:gr-qc/0208032 v3 · 2002-08-13 · 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{POVKANQYYT5H3QWKBJILVIOJUT}

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	2026-05-18T00:37:32.040491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7baaa03618c4fa7dc2ca0a50baa1c9a4d9355f8c4f570cfa3459da3424e2c06a

Aliases

arxiv: gr-qc/0208032 · arxiv_version: gr-qc/0208032v3 · doi: 10.48550/arxiv.gr-qc/0208032 · pith_short_12: POVKANQYYT5H · pith_short_16: POVKANQYYT5H3QWK · pith_short_8: POVKANQY

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/POVKANQYYT5H3QWKBJILVIOJUT \
  | 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: 7baaa03618c4fa7dc2ca0a50baa1c9a4d9355f8c4f570cfa3459da3424e2c06a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78e1d5b7ba5fae5dbd4a45e04b184220c8c56c57aa3de1cb5986645307c5ac95",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-08-13T12:11:08Z",
    "title_canon_sha256": "9eb8e65f5a382f94818c47132200c6f9cc4b4b00e00bd5ca5c235f68092a77ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0208032",
    "kind": "arxiv",
    "version": 3
  }
}