Pith Number

pith:IVDZU76S

pith:2009:IVDZU76SBCIZSAJ7IDV7BWONJL

not attested not anchored not stored refs pending

Darboux transformation of the generalized coupled dispersionless integrable system

M. Hassan

arxiv:0912.1671 v1 · 2009-12-09 · math-ph · hep-th · 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{IVDZU76SBCIZSAJ7IDV7BWONJL}

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	2026-05-18T02:10:25.426974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45479a7fd2089199013f40ebf0d9cd4afcc53286a7c0a6545a820ce6414a5389

Aliases

arxiv: 0912.1671 · arxiv_version: 0912.1671v1 · doi: 10.48550/arxiv.0912.1671 · pith_short_12: IVDZU76SBCIZ · pith_short_16: IVDZU76SBCIZSAJ7 · pith_short_8: IVDZU76S

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/IVDZU76SBCIZSAJ7IDV7BWONJL \
  | 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: 45479a7fd2089199013f40ebf0d9cd4afcc53286a7c0a6545a820ce6414a5389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc061fa454380d4a8c0dd834c024c9b4dd268a1b03928c3a4bfef7b638b0e763",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-12-09T05:46:32Z",
    "title_canon_sha256": "b033de0cade5ba34203291bec817b46c8c19825b655f59765b1a66d29091a3f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1671",
    "kind": "arxiv",
    "version": 1
  }
}