Pith Number

pith:CUUBVKE2

pith:2009:CUUBVKE2UQE7FLQGLX7LCEL4CI

not attested not anchored not stored refs pending

Integrable Systems of Partial Differential Equations Determined by Structure Equations and Lax pair

Paul Bracken

arxiv:0907.0266 v3 · 2009-07-02 · math-ph · 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{CUUBVKE2UQE7FLQGLX7LCEL4CI}

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	2026-05-18T04:25:01.953644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15281aa89aa409f2ae065dfeb1117c121452474f56527fe19f88e0e306249461

Aliases

arxiv: 0907.0266 · arxiv_version: 0907.0266v3 · doi: 10.48550/arxiv.0907.0266 · pith_short_12: CUUBVKE2UQE7 · pith_short_16: CUUBVKE2UQE7FLQG · pith_short_8: CUUBVKE2

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/CUUBVKE2UQE7FLQGLX7LCEL4CI \
  | 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: 15281aa89aa409f2ae065dfeb1117c121452474f56527fe19f88e0e306249461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb471d460ca9c0f81b29bc4bb1e8d8e3ee94cd3a74d0bda487120447c5bbf3ed",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-07-02T16:03:49Z",
    "title_canon_sha256": "0960c280a4eec31c73f198506437a4a07ad699c45c80a13e0abf47b2c2069533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0266",
    "kind": "arxiv",
    "version": 3
  }
}