Pith Number

pith:INKDRC2H

pith:2007:INKDRC2HFVECQABMHXMHC4IP2I

not attested not anchored not stored refs pending

Spinning Strings, Black Holes and Stable Closed Timelike Geodesics

Patricio S. Letelier, Valeria M. Rosa

arxiv:0704.1109 v2 · 2007-04-09 · 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{INKDRC2HFVECQABMHXMHC4IP2I}

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	2026-05-18T02:35:31.291408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4354388b472d4828002c3dd871710fd22638f3316403f61196f4c74f080c24de

Aliases

arxiv: 0704.1109 · arxiv_version: 0704.1109v2 · doi: 10.48550/arxiv.0704.1109 · pith_short_12: INKDRC2HFVEC · pith_short_16: INKDRC2HFVECQABM · pith_short_8: INKDRC2H

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/INKDRC2HFVECQABMHXMHC4IP2I \
  | 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: 4354388b472d4828002c3dd871710fd22638f3316403f61196f4c74f080c24de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5729db87f3b1a0002ca3488f9be335dfd8469e640fe9f489e43eee2508103b1b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-04-09T14:45:43Z",
    "title_canon_sha256": "e638752c822afa3da811deebe3874fe7bd5004e91d03d8130fe9aa51cccf577a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1109",
    "kind": "arxiv",
    "version": 2
  }
}