Pith Number

pith:SISINYPI

pith:1999:SISINYPIFLISNCLML3VFU7OZUT

not attested not anchored not stored refs pending

Darboux transformations for a Bogoyavlenskii equation in 2+1 dimensions

G. A. Hernaez (Universidad de Salamanca, P. G. Estevez, Spain)

arxiv:solv-int/9909017 v1 · 1999-09-17 · 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{SISINYPIFLISNCLML3VFU7OZUT}

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	2026-05-18T00:57:18.808643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

922486e1e82ad126896c5eea5a7dd9a4c9f1cf540de7ebe92bb60102df00d65c

Aliases

arxiv: solv-int/9909017 · arxiv_version: solv-int/9909017v1 · doi: 10.48550/arxiv.solv-int/9909017 · pith_short_12: SISINYPIFLIS · pith_short_16: SISINYPIFLISNCLM · pith_short_8: SISINYPI

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/SISINYPIFLISNCLML3VFU7OZUT \
  | 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: 922486e1e82ad126896c5eea5a7dd9a4c9f1cf540de7ebe92bb60102df00d65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5c2a54241949c6a60b1a3bf5da2d9f65b8b8868eed4633da0f48ca0b7985def",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1999-09-17T07:27:39Z",
    "title_canon_sha256": "63e1e715a92ad9c3033c8f54bb0edd9f8c9ed591e688b6cfdd26ffff255287a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9909017",
    "kind": "arxiv",
    "version": 1
  }
}