Pith Number

pith:ZSRNJHAH

pith:2002:ZSRNJHAHPXLHUHZLSYF6PFVLWL

not attested not anchored not stored refs pending

From Fermi-Pasta-Ulam Problem to Galaxies: The Quest for Relaxation

A. E. Allahverdyan, V. G. Gurzadyan

arxiv:astro-ph/0210026 v2 · 2002-10-01 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSRNJHAHPXLHUHZLSYF6PFVLWL}

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	2026-05-18T04:36:19.525967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cca2d49c077dd67a1f2b960be796abb2d358460cc023d4c78f2e8b615f6b6d97

Aliases

arxiv: astro-ph/0210026 · arxiv_version: astro-ph/0210026v2 · doi: 10.48550/arxiv.astro-ph/0210026 · pith_short_12: ZSRNJHAHPXLH · pith_short_16: ZSRNJHAHPXLHUHZL · pith_short_8: ZSRNJHAH

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/ZSRNJHAHPXLHUHZLSYF6PFVLWL \
  | 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: cca2d49c077dd67a1f2b960be796abb2d358460cc023d4c78f2e8b615f6b6d97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55a27f40d24146bbb40cdec130b9f05249fab1bb58e6931b15d4689998be5d40",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-01T13:15:50Z",
    "title_canon_sha256": "247516d531fa1dc458481fbdfb8bbd0d35be42227221eb4c08a8b7cd06079877"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210026",
    "kind": "arxiv",
    "version": 2
  }
}