Pith Number

pith:VL25QPIL

pith:2008:VL25QPILKJ5N3A4PZ7KY4FNJGI

not attested not anchored not stored refs pending

Asymptotic two-soliton solutions in the Fermi-Pasta-Ulam model

A. Hoffman, C.E. Wayne

arxiv:0809.3231 v1 · 2008-09-18 · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VL25QPILKJ5N3A4PZ7KY4FNJGI}

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	2026-05-18T02:15:34.286369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaf5d83d0b527add838fcfd58e15a9322ccf7ee7d9e81c9e7a716dfca21147ec

Aliases

arxiv: 0809.3231 · arxiv_version: 0809.3231v1 · doi: 10.48550/arxiv.0809.3231 · pith_short_12: VL25QPILKJ5N · pith_short_16: VL25QPILKJ5N3A4P · pith_short_8: VL25QPIL

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/VL25QPILKJ5N3A4PZ7KY4FNJGI \
  | 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: aaf5d83d0b527add838fcfd58e15a9322ccf7ee7d9e81c9e7a716dfca21147ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b8ddf3b93988fe458d2f15669145dcfeda8923caaca2bbc61989498127b782e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2008-09-18T19:17:08Z",
    "title_canon_sha256": "108a420df92d9406f3447a37ca6ea64c534de94a3e3e46660ce16f3439b3b7d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3231",
    "kind": "arxiv",
    "version": 1
  }
}