Pith Number

pith:QOKGL6ON

pith:2003:QOKGL6ONNMCSFKWLP5DFGKF5MO

not attested not anchored not stored refs pending

Tracing a planet's orbit with a straight hedge and a compass with the help of the hodograph and the Hamilton vector

A. L. Salas-Brito, E. Guillaum\'in-Espa\~na, H. N. N\'u\~nez-Y\'epez

arxiv:physics/0302008 v1 · 2003-02-04 · physics.class-ph · physics.ed-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{QOKGL6ONNMCSFKWLP5DFGKF5MO}

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	2026-05-18T01:08:59.605275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

839465f9cd6b0522aacb7f465328bd6384d31af4c177c29bc8fbfb171e8c12bf

Aliases

arxiv: physics/0302008 · arxiv_version: physics/0302008v1 · doi: 10.48550/arxiv.physics/0302008 · pith_short_12: QOKGL6ONNMCS · pith_short_16: QOKGL6ONNMCSFKWL · pith_short_8: QOKGL6ON

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/QOKGL6ONNMCSFKWLP5DFGKF5MO \
  | 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: 839465f9cd6b0522aacb7f465328bd6384d31af4c177c29bc8fbfb171e8c12bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57d4f9817a8bdfe7070ce5d9c4c8182b3d12ab46573f74cf659535ee3d8fc1ef",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2003-02-04T16:21:43Z",
    "title_canon_sha256": "97d2d78cdee237dbafe5814da823b10d62aaa8a439a12653c38a8fd897954d15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0302008",
    "kind": "arxiv",
    "version": 1
  }
}