Pith Number

pith:2K65QTHQ

pith:1996:2K65QTHQE7VGLP54HSQOKRYIOD

not attested not anchored not stored refs pending

Cosmic Topology

(2) Observatoire de Meudon/DARC), J.P.Luminet (2) ((1) CE-Saclay/Service d'Astrophysique, M. Lachieze-Rey (1)

arxiv:gr-qc/9605010 v2 · 1996-05-06 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2K65QTHQE7VGLP54HSQOKRYIOD}

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	2026-07-04T16:01:10.338196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2bdd84cf027ea65bfbc3ca0e5470870f09e6c31db6d25df2a073e944a3876cb

Aliases

arxiv: gr-qc/9605010 · arxiv_version: gr-qc/9605010v2 · doi: 10.48550/arxiv.gr-qc/9605010 · pith_short_12: 2K65QTHQE7VG · pith_short_16: 2K65QTHQE7VGLP54 · pith_short_8: 2K65QTHQ

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/2K65QTHQE7VGLP54HSQOKRYIOD \
  | 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: d2bdd84cf027ea65bfbc3ca0e5470870f09e6c31db6d25df2a073e944a3876cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123a7c9df8a071da1784b7dd8a3fc6aa29f5f01d4eeee822f9701b95f09b9d99",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-05-06T09:55:41Z",
    "title_canon_sha256": "59c2e707bedd437f32b4ed4b73a7052e85cea32e61602ce5b460e25710e12589"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9605010",
    "kind": "arxiv",
    "version": 2
  }
}