Pith Number

pith:KZ5KJBLP

pith:2010:KZ5KJBLPHRQMMYEFEM2T4SDU7P

not attested not anchored not stored refs pending

A Simple Pendulum Determination of the Gravitational Constant

Harold V. Parks, James E. Faller

arxiv:1008.3203 v3 · 2010-08-19 · physics.class-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{KZ5KJBLPHRQMMYEFEM2T4SDU7P}

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	2026-05-18T02:33:08.288065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

567aa4856f3c60c6608523353e4874fbc9a4f39c61eed870df83b18c6b1fdad5

Aliases

arxiv: 1008.3203 · arxiv_version: 1008.3203v3 · doi: 10.48550/arxiv.1008.3203 · pith_short_12: KZ5KJBLPHRQM · pith_short_16: KZ5KJBLPHRQMMYEF · pith_short_8: KZ5KJBLP

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/KZ5KJBLPHRQMMYEFEM2T4SDU7P \
  | 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: 567aa4856f3c60c6608523353e4874fbc9a4f39c61eed870df83b18c6b1fdad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a69f534b3367038873d3fd3e046575737691fe5972dc2f3c8c369f61a2242108",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2010-08-19T02:55:39Z",
    "title_canon_sha256": "fc830f0471651ee6bc403845410c9f3d4ed6c34f6aa75ab3ffdc930aaa50df2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3203",
    "kind": "arxiv",
    "version": 3
  }
}