Pith Number

pith:PDTEPOGQ

pith:2013:PDTEPOGQ4XSPT54E22BRMVOXEV

not attested not anchored not stored refs pending

Elliptic Euler-Poisson-Darboux equation, critical points and integrable systems

B. G. Konopelchenko, G. Ortenzi

arxiv:1306.4192 v1 · 2013-06-18 · 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{PDTEPOGQ4XSPT54E22BRMVOXEV}

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	2026-05-18T01:49:15.592898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78e647b8d0e5e4f9f784d6831655d72564d98034e2b23a838a4fc5e41f1e5af8

Aliases

arxiv: 1306.4192 · arxiv_version: 1306.4192v1 · doi: 10.48550/arxiv.1306.4192 · pith_short_12: PDTEPOGQ4XSP · pith_short_16: PDTEPOGQ4XSPT54E · pith_short_8: PDTEPOGQ

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/PDTEPOGQ4XSPT54E22BRMVOXEV \
  | 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: 78e647b8d0e5e4f9f784d6831655d72564d98034e2b23a838a4fc5e41f1e5af8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae16b80eca455a90527197ce4fd5ab68685ec8222f5be0090edae27f6febdcd9",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-06-18T13:37:14Z",
    "title_canon_sha256": "55d45c5be1f4fbd8340d488776d1d42f6be12b91f3ea1d36f8ef765bf8150037"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4192",
    "kind": "arxiv",
    "version": 1
  }
}