Pith Number

pith:K7B4WRXE

pith:2018:K7B4WRXEYXTKSTSADMZMANB6CA

not attested not anchored not stored refs pending

Clifford's attempt to test his gravitation hypothesis

Jorge L. Cervantes-Cota, S. Galindo

arxiv:1807.09230 v1 · 2018-07-24 · physics.hist-ph · 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{K7B4WRXEYXTKSTSADMZMANB6CA}

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	2026-05-18T00:09:56.340654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57c3cb46e4c5e6a94e401b32c0343e102d7ca8e7d817ecab57d3636ad874a8e3

Aliases

arxiv: 1807.09230 · arxiv_version: 1807.09230v1 · doi: 10.48550/arxiv.1807.09230 · pith_short_12: K7B4WRXEYXTK · pith_short_16: K7B4WRXEYXTKSTSA · pith_short_8: K7B4WRXE

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/K7B4WRXEYXTKSTSADMZMANB6CA \
  | 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: 57c3cb46e4c5e6a94e401b32c0343e102d7ca8e7d817ecab57d3636ad874a8e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e598935a6912138756e8eb49e15d8ff5258c7f5345d03cdd192ac5621971036a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-07-24T16:49:21Z",
    "title_canon_sha256": "353a5ac7a8a2e9ae42703099bbaa3fb1057982f148e5adfc58f773a70e722b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09230",
    "kind": "arxiv",
    "version": 1
  }
}