Pith Number

pith:KX4JHGZB

pith:2001:KX4JHGZBOQ3FCICRJBQE6ANDTL

not attested not anchored not stored refs pending

Stepwise Precession of the Resonant Swinging Spring

Darryl D. Holm, Peter Lynch

arxiv:nlin/0104038 v1 · 2001-04-17 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KX4JHGZBOQ3FCICRJBQE6ANDTL}

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	2026-07-04T16:28:19.222028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55f8939b21743651205148604f01a39ac54a6a263aec2dd0fa5638f17018c83a

Aliases

arxiv: nlin/0104038 · arxiv_version: nlin/0104038v1 · doi: 10.48550/arxiv.nlin/0104038 · pith_short_12: KX4JHGZBOQ3F · pith_short_16: KX4JHGZBOQ3FCICR · pith_short_8: KX4JHGZB

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/KX4JHGZBOQ3FCICRJBQE6ANDTL \
  | 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: 55f8939b21743651205148604f01a39ac54a6a263aec2dd0fa5638f17018c83a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d66054e432e8822f53403dc47d9c0b782007b8b34f6f9e5ae182f332613697ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2001-04-17T19:24:38Z",
    "title_canon_sha256": "0d2cb274d2c4686bd8f884a2ee6cfe1f84c496934cefb12dc34a821343bbd3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0104038",
    "kind": "arxiv",
    "version": 1
  }
}