Pith Number

pith:S674TC4Z

pith:1998:S674TC4ZSNZSM4Y3GKWEA5LW55

not attested not anchored not stored refs pending

Functional representation of the Ablowitz-Ladik hierarchy. II

V.E. Vekslerchik

arxiv:solv-int/9812020 v2 · 1998-12-18 · solv-int · 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{S674TC4ZSNZSM4Y3GKWEA5LW55}

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	2026-05-18T03:41:13.032859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97bfc98b99937326731b32ac407576ef6bf23de9e04a254e084baa3488ec77ba

Aliases

arxiv: solv-int/9812020 · arxiv_version: solv-int/9812020v2 · doi: 10.48550/arxiv.solv-int/9812020 · pith_short_12: S674TC4ZSNZS · pith_short_16: S674TC4ZSNZSM4Y3 · pith_short_8: S674TC4Z

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/S674TC4ZSNZSM4Y3GKWEA5LW55 \
  | 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: 97bfc98b99937326731b32ac407576ef6bf23de9e04a254e084baa3488ec77ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e9381a30f610d2429d018dea8cf6675f9be98465bec3c1ac26204d3876b6863",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1998-12-18T10:17:02Z",
    "title_canon_sha256": "1d4676304ce4795a0514d930488c83b6cf5147aad467fc33ef66ae9930b99757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9812020",
    "kind": "arxiv",
    "version": 2
  }
}