pith. sign in
Pith Number

pith:CAG7ISXI

pith:2018:CAG7ISXIIOGCHBKXUW6G2LJFSU
not attested not anchored not stored refs pending

Integrable (3+1)-dimensional system with an algebraic Lax pair

A. Sergyeyev

arxiv:1812.02263 v3 · 2018-12-05 · nlin.SI · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CAG7ISXIIOGCHBKXUW6G2LJFSU}

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 2026-05-17T23:54:38.977861Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

100df44ae8438c238557a5bc6d2d2595140646e63c2fffc5c977c43ac50251c6

Aliases

arxiv: 1812.02263 · arxiv_version: 1812.02263v3 · doi: 10.48550/arxiv.1812.02263 · pith_short_12: CAG7ISXIIOGC · pith_short_16: CAG7ISXIIOGCHBKX · pith_short_8: CAG7ISXI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CAG7ISXIIOGCHBKXUW6G2LJFSU \
  | 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: 100df44ae8438c238557a5bc6d2d2595140646e63c2fffc5c977c43ac50251c6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "646b18610a8bb1902799cd8e54aa4bcdf01132eaffa1b141fde0caaea208ba2b",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2018-12-05T23:01:56Z",
    "title_canon_sha256": "9fcc0c07c6d7e2f8ec4d3021864d5e9215c48410b5da46b573a636e36ee75d54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02263",
    "kind": "arxiv",
    "version": 3
  }
}