Pith Number

pith:DLGDGEBD

pith:2019:DLGDGEBD4ODDUUENWHFVD4RJLM

not attested not anchored not stored refs pending

Reciprocal transformations and their role in the integrability and classification of PDEs

C. Sard\'on, P. Albares, P.G. Est\'evez

arxiv:1906.10499 v1 · 2019-06-25 · math-ph · math.MP · 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{DLGDGEBD4ODDUUENWHFVD4RJLM}

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	2026-05-17T23:42:16.191639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1acc331023e3863a508db1cb51f2295b3f8fa0847f1307284077142a3e8df301

Aliases

arxiv: 1906.10499 · arxiv_version: 1906.10499v1 · doi: 10.48550/arxiv.1906.10499 · pith_short_12: DLGDGEBD4ODD · pith_short_16: DLGDGEBD4ODDUUEN · pith_short_8: DLGDGEBD

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/DLGDGEBD4ODDUUENWHFVD4RJLM \
  | 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: 1acc331023e3863a508db1cb51f2295b3f8fa0847f1307284077142a3e8df301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f284be34e31db2bb2dd25022fe780612dcf239a0f42cc6e74d6a8d940939abc",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-06-25T13:18:51Z",
    "title_canon_sha256": "0a87bf1d59d0fbfedb5b7a914655585c44d4ba73817c732a0a4864f6045496f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10499",
    "kind": "arxiv",
    "version": 1
  }
}