Pith Number

pith:235KAEPH

pith:2001:235KAEPHQBJE2F2YEFTIVNOP65

not attested not anchored not stored refs pending

A family of heavenly metrics

M. B. Sheftel, Y. Nutku (deceased)

arxiv:gr-qc/0105088 v8 · 2001-05-24 · gr-qc · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{235KAEPHQBJE2F2YEFTIVNOP65}

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	2026-05-18T03:05:08.655247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6faa011e780524d175821668ab5cff756033f15bde6fcb6598b057b4f45550f

Aliases

arxiv: gr-qc/0105088 · arxiv_version: gr-qc/0105088v8 · doi: 10.48550/arxiv.gr-qc/0105088 · pith_short_12: 235KAEPHQBJE · pith_short_16: 235KAEPHQBJE2F2Y · pith_short_8: 235KAEPH

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/235KAEPHQBJE2F2YEFTIVNOP65 \
  | 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: d6faa011e780524d175821668ab5cff756033f15bde6fcb6598b057b4f45550f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89dddffa0a28387fce193cbf2b0f59cc1021d6ae046a4a71bdf2c31c7425a3e8",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-05-24T14:35:38Z",
    "title_canon_sha256": "175d4c606b205b800d53f5c6fa59f3679074a17b0f206fac0422fdd829bc4033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0105088",
    "kind": "arxiv",
    "version": 8
  }
}