Pith Number

pith:D5RBNNCZ

pith:2013:D5RBNNCZ4DZU4DDD2Z6RQ7JAPR

not attested not anchored not stored refs pending

A fifth-order bi-Hamiltonian system

Daryoush Talati

arxiv:1304.1987 v1 · 2013-04-07 · 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{D5RBNNCZ4DZU4DDD2Z6RQ7JAPR}

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	2026-05-18T03:28:44.511976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f6216b459e0f34e0c63d67d187d207c6c55a7dfd26145dbbadb1a447d8fd8d0

Aliases

arxiv: 1304.1987 · arxiv_version: 1304.1987v1 · doi: 10.48550/arxiv.1304.1987 · pith_short_12: D5RBNNCZ4DZU · pith_short_16: D5RBNNCZ4DZU4DDD · pith_short_8: D5RBNNCZ

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/D5RBNNCZ4DZU4DDD2Z6RQ7JAPR \
  | 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: 1f6216b459e0f34e0c63d67d187d207c6c55a7dfd26145dbbadb1a447d8fd8d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7edd5d2a427b288ca377861b6d8e50a2996698da69afddf93f8f9e8e9074999e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-04-07T12:04:46Z",
    "title_canon_sha256": "3ec22ea2bfb0e1fc747ccd49fdfbd2f9b70808067b9b8d53e9f64ad119e2e111"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1987",
    "kind": "arxiv",
    "version": 1
  }
}