Pith Number

pith:FNSBDBH2

pith:2010:FNSBDBH2O3Y3M5SUQWN4ORAS23

not attested not anchored not stored refs pending

The lightcone of G\"odel-like spacetimes

G. Dautcourt

arxiv:1009.5231 v1 · 2010-09-27 · 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{FNSBDBH2O3Y3M5SUQWN4ORAS23}

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	2026-05-18T04:25:49.329185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b641184fa76f1b67654859bc74412d6f54566c41a4f1a008d795d8e1fce7477

Aliases

arxiv: 1009.5231 · arxiv_version: 1009.5231v1 · doi: 10.48550/arxiv.1009.5231 · pith_short_12: FNSBDBH2O3Y3 · pith_short_16: FNSBDBH2O3Y3M5SU · pith_short_8: FNSBDBH2

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/FNSBDBH2O3Y3M5SUQWN4ORAS23 \
  | 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: 2b641184fa76f1b67654859bc74412d6f54566c41a4f1a008d795d8e1fce7477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "108d70836510860b1eb57c060289d367848b7ad9239d3c9fc0cbb3370bfba76d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-09-27T11:49:43Z",
    "title_canon_sha256": "ee005f67decd431589c47ca9010f1455c9c76ae0c6270a10119da91a2d02ebbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5231",
    "kind": "arxiv",
    "version": 1
  }
}