Pith Number

pith:222X4LQB

pith:2017:222X4LQBHVS2MDJBVWOXR2ZJXN

not attested not anchored not stored refs pending

Limits on the anomalous speed of gravitational waves from binary pulsars

Federico Piazza, Hermano Velten, Jose Beltr\'an Jim\'enez

arxiv:1703.00307 v1 · 2017-02-28 · gr-qc · astro-ph.CO · hep-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{222X4LQBHVS2MDJBVWOXR2ZJXN}

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	2026-05-18T00:36:03.480735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b57e2e013d65a60d21ad9d78eb29bb6621fece46b3afd090cb89ee518ec481

Aliases

arxiv: 1703.00307 · arxiv_version: 1703.00307v1 · doi: 10.48550/arxiv.1703.00307 · pith_short_12: 222X4LQBHVS2 · pith_short_16: 222X4LQBHVS2MDJB · pith_short_8: 222X4LQB

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/222X4LQBHVS2MDJBVWOXR2ZJXN \
  | 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: d6b57e2e013d65a60d21ad9d78eb29bb6621fece46b3afd090cb89ee518ec481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b80edc69045dac1d0640f781450b8c0d77d004cbecc6a6c184e6d22e4c61701",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-28T12:57:34Z",
    "title_canon_sha256": "f7283aa7f937aceb5f89c0428d5fb26d4c906c8421896e1a24569b77212b4957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00307",
    "kind": "arxiv",
    "version": 1
  }
}