Pith Number

pith:66MPEQG6

pith:2003:66MPEQG67FNOMCGHIBBTLQBQOP

not attested not anchored not stored refs pending

Bright and dark breathers in Fermi-Pasta-Ulam lattices

B. S\'anchez-Rey, G. James, J. Cuevas, J.F.R. Archilla

arxiv:nlin/0306025 v3 · 2003-06-16 · nlin.PS · cond-mat.soft · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66MPEQG67FNOMCGHIBBTLQBQOP}

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	2026-07-04T14:49:01.164025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f798f240def95ae608c7404335c03073ec6f999279b96742fa60cfd9bcfa42a4

Aliases

arxiv: nlin/0306025 · arxiv_version: nlin/0306025v3 · doi: 10.48550/arxiv.nlin/0306025 · pith_short_12: 66MPEQG67FNO · pith_short_16: 66MPEQG67FNOMCGH · pith_short_8: 66MPEQG6

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/66MPEQG67FNOMCGHIBBTLQBQOP \
  | 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: f798f240def95ae608c7404335c03073ec6f999279b96742fa60cfd9bcfa42a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58b0391de6bbc37b89efce6d7f45f7b6bda794149032e0088b124bcbd51f6739",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "nlin.AO"
    ],
    "license": "",
    "primary_cat": "nlin.PS",
    "submitted_at": "2003-06-16T13:49:24Z",
    "title_canon_sha256": "eb52ecd72b03fb022cb4540bb9f7a6d8b1ee139491b541ab539e5c0b53ccb834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0306025",
    "kind": "arxiv",
    "version": 3
  }
}