Pith Number

pith:ROI4E7US

pith:2004:ROI4E7UST4AKJZGYNHWCN3NN6A

not attested not anchored not stored refs pending

On the classification of conditionally integrable evolution systems in (1+1) dimensions

A. Sergyeyev

arxiv:nlin/0410029 v2 · 2004-10-18 · 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{ROI4E7UST4AKJZGYNHWCN3NN6A}

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	2026-05-18T00:34:05.642340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b91c27e929f00a4e4d869ec26edadf009e9ea0115f457a4ba0c9e161ba603c0

Aliases

arxiv: nlin/0410029 · arxiv_version: nlin/0410029v2 · doi: 10.48550/arxiv.nlin/0410029 · pith_short_12: ROI4E7UST4AK · pith_short_16: ROI4E7UST4AKJZGY · pith_short_8: ROI4E7US

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/ROI4E7UST4AKJZGYNHWCN3NN6A \
  | 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: 8b91c27e929f00a4e4d869ec26edadf009e9ea0115f457a4ba0c9e161ba603c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe79f7c5cd90f5184b28b650c7e5c3c61193c7fc68f783a82926e82731b02cf0",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2004-10-18T22:03:02Z",
    "title_canon_sha256": "58225f508526a76828a52a52fd6181542c48f70d304b5d043c3ae918d7a216af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0410029",
    "kind": "arxiv",
    "version": 2
  }
}