Pith Number

pith:4VQXT3IX

pith:2010:4VQXT3IXVPHAWUQR5ZRIOWLXYU

not attested not anchored not stored refs pending

Smart-phone Sensor of Pendulum Motion

Randall D. Peters

arxiv:1012.1800 v1 · 2010-12-08 · physics.gen-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{4VQXT3IXVPHAWUQR5ZRIOWLXYU}

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	2026-05-18T04:33:51.241374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56179ed17abce0b5211ee62875977c53b2c997794b003a99151a9057fcd7233

Aliases

arxiv: 1012.1800 · arxiv_version: 1012.1800v1 · doi: 10.48550/arxiv.1012.1800 · pith_short_12: 4VQXT3IXVPHA · pith_short_16: 4VQXT3IXVPHAWUQR · pith_short_8: 4VQXT3IX

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/4VQXT3IXVPHAWUQR5ZRIOWLXYU \
  | 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: e56179ed17abce0b5211ee62875977c53b2c997794b003a99151a9057fcd7233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4cc28ff4ea20233d56a2e4121519d685f787d87a86bea37f39cc7d6c9a1200b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-12-08T16:40:07Z",
    "title_canon_sha256": "be9e7d2891b80f68749b01bd8f10ce20501285ff5b6920d63e5b19300a4e6c28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1800",
    "kind": "arxiv",
    "version": 1
  }
}