Pith Number

pith:PRR3F3AQ

pith:2013:PRR3F3AQ6SA4S5ESJT5XPXLGYV

not attested not anchored not stored refs pending

Recovering the geometry of a flat spacetime from background radiation

Catherine Meusburger, Francesco Bonsante, Jean-Marc Schlenker

arxiv:1302.6966 v2 · 2013-02-27 · gr-qc · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRR3F3AQ6SA4S5ESJT5XPXLGYV}

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	2026-05-18T00:20:07.850703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c63b2ec10f481c974924cfb77dd66c55a956be3a91df29e4ee17fa9d78d027d

Aliases

arxiv: 1302.6966 · arxiv_version: 1302.6966v2 · doi: 10.48550/arxiv.1302.6966 · pith_short_12: PRR3F3AQ6SA4 · pith_short_16: PRR3F3AQ6SA4S5ES · pith_short_8: PRR3F3AQ

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/PRR3F3AQ6SA4S5ESJT5XPXLGYV \
  | 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: 7c63b2ec10f481c974924cfb77dd66c55a956be3a91df29e4ee17fa9d78d027d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26d5aee31ee58fe0bf7f761c6f7e0fa56f2f780013c8a1cd29b39608fa76cee7",
    "cross_cats_sorted": [
      "math.DG",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-27T19:26:48Z",
    "title_canon_sha256": "9f26c8f3b13fc8066ab07f0e46e22a1331c9123213a9fac04241c0a68fe3ec1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6966",
    "kind": "arxiv",
    "version": 2
  }
}