Pith Number

pith:5GNMBHO5

pith:2013:5GNMBHO5QEVI56KUHTLE5RZYL5

not attested not anchored not stored refs pending

How can one detect the rotation of the Earth "around the Moon"? Part 3. With a simple pendulum

Bertrand M. Roehner, Marcel Betrisey

arxiv:1306.5234 v1 · 2013-06-21 · physics.class-ph · 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{5GNMBHO5QEVI56KUHTLE5RZYL5}

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	2026-05-18T03:20:08.731504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e99ac09ddd812a8ef9543cd64ec7385f4862c41e0fb77390c6e73f1956f95958

Aliases

arxiv: 1306.5234 · arxiv_version: 1306.5234v1 · doi: 10.48550/arxiv.1306.5234 · pith_short_12: 5GNMBHO5QEVI · pith_short_16: 5GNMBHO5QEVI56KU · pith_short_8: 5GNMBHO5

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/5GNMBHO5QEVI56KUHTLE5RZYL5 \
  | 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: e99ac09ddd812a8ef9543cd64ec7385f4862c41e0fb77390c6e73f1956f95958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c431f13a6c1d87f10969151a1241d982bdc14a8b7cdef87539fa6ad17d6bc160",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-06-21T15:27:57Z",
    "title_canon_sha256": "e2a17b58b837d860644b61f84d51b3a5513911facfd43811e023643680e79006"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5234",
    "kind": "arxiv",
    "version": 1
  }
}