Pith Number

pith:V2NXKCGD

pith:2004:V2NXKCGDXZHJOWQPZZ7VU6YL77

not attested not anchored not stored refs pending

B\"acklund transformations for the rational Lagrange chain

Fabio Musso, Giovanni Satta, Matteo Petrera, Orlando Ragnisco

arxiv:nlin/0412017 v1 · 2004-12-06 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V2NXKCGDXZHJOWQPZZ7VU6YL77}

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	2026-05-18T01:38:18.829400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae9b7508c3be4e975a0fce7f5a7b0bfff4e895819c79ba1828000dee9f90cc82

Aliases

arxiv: nlin/0412017 · arxiv_version: nlin/0412017v1 · doi: 10.48550/arxiv.nlin/0412017 · pith_short_12: V2NXKCGDXZHJ · pith_short_16: V2NXKCGDXZHJOWQP · pith_short_8: V2NXKCGD

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/V2NXKCGDXZHJOWQPZZ7VU6YL77 \
  | 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: ae9b7508c3be4e975a0fce7f5a7b0bfff4e895819c79ba1828000dee9f90cc82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "218562aa109fc28935fa6b6b11859a7f495aad4487841eb09b9275cc55493126",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2004-12-06T09:33:03Z",
    "title_canon_sha256": "284a074e3df5688292f8949ee62c9de31ebddea465226791356bd81efa53cb86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0412017",
    "kind": "arxiv",
    "version": 1
  }
}