Pith Number

pith:MO2OZ2RZ

pith:2016:MO2OZ2RZ3ZQEWHYDPHLFDFJGYI

not attested not anchored not stored refs pending

Classification of Multidimensional Darboux Transformations: First Order and Continued Type

David Hobby, Ekaterina Shemyakova

arxiv:1605.04362 v4 · 2016-05-14 · math.DG · math-ph · math.MP · math.QA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MO2OZ2RZ3ZQEWHYDPHLFDFJGYI}

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	2026-05-18T00:50:04.554950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63b4ecea39de604b1f0379d6519526c230e76c152ca897b6698ea8fe0675e332

Aliases

arxiv: 1605.04362 · arxiv_version: 1605.04362v4 · doi: 10.48550/arxiv.1605.04362 · pith_short_12: MO2OZ2RZ3ZQE · pith_short_16: MO2OZ2RZ3ZQEWHYD · pith_short_8: MO2OZ2RZ

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/MO2OZ2RZ3ZQEWHYDPHLFDFJGYI \
  | 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: 63b4ecea39de604b1f0379d6519526c230e76c152ca897b6698ea8fe0675e332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec2a5428518681cc7be8860b776dcc8c64b6c31ac0ff9e9ce7d34d4d11c244a4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.QA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-05-14T01:28:03Z",
    "title_canon_sha256": "bf14f5a6c6105c28c38421444e65c894931abdac54015a2314b01f5f0e470fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04362",
    "kind": "arxiv",
    "version": 4
  }
}