Pith Number

pith:AR2A72OY

pith:2015:AR2A72OY2KIF6X5QTJMTHI3JQX

not attested not anchored not stored refs pending

A new scheme of integrability for (bi)Hamiltonian PDE

Alberto De Sole, Daniele Valeri, Victor G. Kac

arxiv:1508.02549 v2 · 2015-08-11 · math-ph · math.MP · math.RA · math.RT · 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{AR2A72OY2KIF6X5QTJMTHI3JQX}

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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	2026-05-18T00:06:26.843805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04740fe9d8d2905f5fb09a5933a36985d4d30fcaf69b33dcf76b2f94ecbce74e

Aliases

arxiv: 1508.02549 · arxiv_version: 1508.02549v2 · doi: 10.48550/arxiv.1508.02549 · pith_short_12: AR2A72OY2KIF · pith_short_16: AR2A72OY2KIF6X5Q · pith_short_8: AR2A72OY

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/AR2A72OY2KIF6X5QTJMTHI3JQX \
  | 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: 04740fe9d8d2905f5fb09a5933a36985d4d30fcaf69b33dcf76b2f94ecbce74e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2da15cbe75127bcf2442bfad7ff4618a4783792c2bfe3d5296c93254881f0bb",
    "cross_cats_sorted": [
      "math.MP",
      "math.RA",
      "math.RT",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-08-11T10:34:34Z",
    "title_canon_sha256": "1e2de31534a779cc833dcc40b0785c7920fb9204c378dc12dbf85350ef033d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02549",
    "kind": "arxiv",
    "version": 2
  }
}