Pith Number

pith:GN2DQFAR

pith:2017:GN2DQFARV5T6ZYRK6CPOJMIRLG

not attested not anchored not stored refs pending

The fifth-order partial differential equation for the description of the {\alpha}+{\beta} Fermi-Pasta-Ulam model

Alexandr K. Volkov, Nikolay A. Kudryashov

arxiv:1702.02858 v1 · 2017-02-09 · math-ph · math.MP · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GN2DQFARV5T6ZYRK6CPOJMIRLG}

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	2026-05-18T00:51:02.305757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3374381411af67ece22af09ee4b111599cee837edf2dd57f351234dac4edebeb

Aliases

arxiv: 1702.02858 · arxiv_version: 1702.02858v1 · doi: 10.48550/arxiv.1702.02858 · pith_short_12: GN2DQFARV5T6 · pith_short_16: GN2DQFARV5T6ZYRK · pith_short_8: GN2DQFAR

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/GN2DQFARV5T6ZYRK6CPOJMIRLG \
  | 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: 3374381411af67ece22af09ee4b111599cee837edf2dd57f351234dac4edebeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "256ab176a5c1f073f2d88b5c14e93319abac3945f382d0450adbddc4e6e897e8",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-02-09T15:19:23Z",
    "title_canon_sha256": "7243ed0f10fc87f5e98ab4caec9574f869116446ec96474118b2d068be2aeac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02858",
    "kind": "arxiv",
    "version": 1
  }
}