Pith Number

pith:NOVPTZ5P

pith:2016:NOVPTZ5PEIFNUM4Q2WTKN4NEOT

not attested not anchored not stored refs pending

Transiting planets as a precision clock to constrain the time variation of the gravitational constant

Kento Masuda, Yasushi Suto

arxiv:1602.02513 v1 · 2016-02-08 · gr-qc · astro-ph.CO · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NOVPTZ5PEIFNUM4Q2WTKN4NEOT}

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	2026-05-18T01:18:53.911234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6baaf9e7af220ada3390d5a6a6f1a474db44ea477644e615d60342b6a25de316

Aliases

arxiv: 1602.02513 · arxiv_version: 1602.02513v1 · doi: 10.48550/arxiv.1602.02513 · pith_short_12: NOVPTZ5PEIFN · pith_short_16: NOVPTZ5PEIFNUM4Q · pith_short_8: NOVPTZ5P

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/NOVPTZ5PEIFNUM4Q2WTKN4NEOT \
  | 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: 6baaf9e7af220ada3390d5a6a6f1a474db44ea477644e615d60342b6a25de316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d04270d1bf4bc8ed1cdc12e020cdad1cc4b9a5c7eb8b4a49ed03d95c6c5e873",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-08T10:14:08Z",
    "title_canon_sha256": "0b859f92d6499962d0e388c2719136ab03d9159ddf816a783b52e0701080555a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02513",
    "kind": "arxiv",
    "version": 1
  }
}