Pith Number

pith:JJSEN4C6

pith:2009:JJSEN4C6J7IOKJMJHLIKUZBQRD

not attested not anchored not stored refs pending

Dynamics of a 3D Elastic String Pendulum

Melvin Leok, N. Harris McClamroch, Taeyoung Lee

arxiv:0903.0332 v2 · 2009-03-02 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJSEN4C6J7IOKJMJHLIKUZBQRD}

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	2026-06-03T23:06:11.415753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a6446f05e4fd0e525893ad0aa643088f8e0315fceedcbd3a350e375bad2bb98

Aliases

arxiv: 0903.0332 · arxiv_version: 0903.0332v2 · doi: 10.48550/arxiv.0903.0332 · pith_short_12: JJSEN4C6J7IO · pith_short_16: JJSEN4C6J7IOKJMJ · pith_short_8: JJSEN4C6

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/JJSEN4C6J7IOKJMJHLIKUZBQRD \
  | 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: 4a6446f05e4fd0e525893ad0aa643088f8e0315fceedcbd3a350e375bad2bb98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead2dbd019f1afa7ef736c7df66e17fa89b2d1e8a31a1ba101c78e0957098e6b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-03-02T16:57:09Z",
    "title_canon_sha256": "18b7d29d3935b9c0ad6f305648a8688d971811a7ea5c6b4919fe4799f1c431fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0332",
    "kind": "arxiv",
    "version": 2
  }
}