Pith Number

pith:AIIYB3TD

pith:2008:AIIYB3TDJ4UUZ7ASEDIDHTEREX

not attested not anchored not stored refs pending

Dynamics of the Nearly Parametric Pendulum

B. Horton, J. M. T. Thompson, J. Sieber, M. Wiercigroch

arxiv:0803.1662 v3 · 2008-03-11 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIIYB3TDJ4UUZ7ASEDIDHTEREX}

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	2026-05-18T04:34:46.442928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

021180ee634f294cfc1220d033cc9125fab00b420ec54aaf1ee52e9328a5c069

Aliases

arxiv: 0803.1662 · arxiv_version: 0803.1662v3 · doi: 10.48550/arxiv.0803.1662 · pith_short_12: AIIYB3TDJ4UU · pith_short_16: AIIYB3TDJ4UUZ7AS · pith_short_8: AIIYB3TD

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/AIIYB3TDJ4UUZ7ASEDIDHTEREX \
  | 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: 021180ee634f294cfc1220d033cc9125fab00b420ec54aaf1ee52e9328a5c069

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00d7822cf2377cb5dc923e327a2e197e0c92cb60f6d02887ebf7f9b981b67d06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2008-03-11T20:01:33Z",
    "title_canon_sha256": "db2ff935caa65ba35eecd7415f967f0151862a0cf5b574d4760c84df1f9e678b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1662",
    "kind": "arxiv",
    "version": 3
  }
}