Pith Number

pith:2MEC3EHQ

pith:2003:2MEC3EHQLAWBY4EH3FZE6OSM2V

not attested not anchored not stored refs pending

Pulsation and Precession of the Resonant Swinging Spring

Conor Houghton, Peter Lynch

arxiv:nlin/0303038 v1 · 2003-03-18 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MEC3EHQLAWBY4EH3FZE6OSM2V}

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	2026-07-04T16:41:43.360372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3082d90f0582c1c7087d9724f3a4cd5484055acc96e447be0fae3a568615849

Aliases

arxiv: nlin/0303038 · arxiv_version: nlin/0303038v1 · doi: 10.48550/arxiv.nlin/0303038 · pith_short_12: 2MEC3EHQLAWB · pith_short_16: 2MEC3EHQLAWBY4EH · pith_short_8: 2MEC3EHQ

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/2MEC3EHQLAWBY4EH3FZE6OSM2V \
  | 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: d3082d90f0582c1c7087d9724f3a4cd5484055acc96e447be0fae3a568615849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76673b6aa983a1f444fa1757683d640a443a6e37cc407491e8a10d1960d1e03d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2003-03-18T14:22:07Z",
    "title_canon_sha256": "17f035532d3ff3561796539329f83b5b76713438fe30d924b2bd4e3bfae1c284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0303038",
    "kind": "arxiv",
    "version": 1
  }
}