Pith Number

pith:NQV5Z6OS

pith:2011:NQV5Z6OSGKYVOMMI63I5NJOCQK

not attested not anchored not stored refs pending

The two-stage dynamics in the Fermi-Pasta-Ulam problem: from regular to diffusive behavior

Antonio Ponno, Charalampos Skokos, Helen Christodoulidi, Sergej Flach

arxiv:1107.2626 v2 · 2011-07-13 · nlin.CD · 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{NQV5Z6OSGKYVOMMI63I5NJOCQK}

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	2026-05-18T02:01:18.903040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2bdcf9d232b1573188f6d1d6a5c2828f1ecdd02c9e7f4ddce3b67336f54e95

Aliases

arxiv: 1107.2626 · arxiv_version: 1107.2626v2 · doi: 10.48550/arxiv.1107.2626 · pith_short_12: NQV5Z6OSGKYV · pith_short_16: NQV5Z6OSGKYVOMMI · pith_short_8: NQV5Z6OS

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/NQV5Z6OSGKYVOMMI63I5NJOCQK \
  | 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: 6c2bdcf9d232b1573188f6d1d6a5c2828f1ecdd02c9e7f4ddce3b67336f54e95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f2609e9d933774a0c23a13102cc663b9c88174dbfdd6c355d0bcf8201971ce0",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2011-07-13T18:42:39Z",
    "title_canon_sha256": "95620ffeeb69664d9e60ffe12754808efb55758ce5c8f21ef9db007c077d1e4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2626",
    "kind": "arxiv",
    "version": 2
  }
}