Pith Number

pith:QBPX7HO3

pith:2000:QBPX7HO36WLI3CFB6XQXK7GK2S

not attested not anchored not stored refs pending

The complex Sine-Gordon equation as a symmetry flow of the AKNS Hierarchy

A.H. Zimerman, H. Aratyn, J.F. Gomes, L.A. Ferreira

arxiv:nlin/0007002 v3 · 2000-07-02 · nlin.SI · hep-th · 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{QBPX7HO36WLI3CFB6XQXK7GK2S}

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	2026-05-18T01:05:22.245695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

805f7f9ddbf5968d88a1f5e1757ccad4a12d097103f2bd25bd4e43c913748975

Aliases

arxiv: nlin/0007002 · arxiv_version: nlin/0007002v3 · doi: 10.48550/arxiv.nlin/0007002 · pith_short_12: QBPX7HO36WLI · pith_short_16: QBPX7HO36WLI3CFB · pith_short_8: QBPX7HO3

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/QBPX7HO36WLI3CFB6XQXK7GK2S \
  | 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: 805f7f9ddbf5968d88a1f5e1757ccad4a12d097103f2bd25bd4e43c913748975

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2ae6edb50ae83a102e2277fd619ded0c0933076b48e2904f6dca931c67fd775",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2000-07-02T15:02:23Z",
    "title_canon_sha256": "4023c492cb8bc91559c328bcaad1c69a391e59153b5197777c8bfff5ec059820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0007002",
    "kind": "arxiv",
    "version": 3
  }
}