Pith Number

pith:5ITU54WO

pith:2009:5ITU54WOOUWWUW25US6AD54J44

not attested not anchored not stored refs pending

Wave breaking in the Ostrovsky--Hunter equation

Anton Sakovich, Dmitry Pelinovsky, Yue Liu

arxiv:0904.2547 v1 · 2009-04-16 · math.AP · 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{5ITU54WOOUWWUW25US6AD54J44}

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	2026-05-18T03:36:37.418978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea274ef2ce752d6a5b5da4bc01f789e7132784a3739d7a158d7d39901920c761

Aliases

arxiv: 0904.2547 · arxiv_version: 0904.2547v1 · doi: 10.48550/arxiv.0904.2547 · pith_short_12: 5ITU54WOOUWW · pith_short_16: 5ITU54WOOUWWUW25 · pith_short_8: 5ITU54WO

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/5ITU54WOOUWWUW25US6AD54J44 \
  | 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: ea274ef2ce752d6a5b5da4bc01f789e7132784a3739d7a158d7d39901920c761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17916ef89b527ba26fe16b91de722f813b6c0969090bd5e30b320bd6f922465a",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-04-16T17:37:58Z",
    "title_canon_sha256": "7970f8a395f8380ac5688f0d56ab8c8356c0f229e88110e3c7c0f4807d343af4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2547",
    "kind": "arxiv",
    "version": 1
  }
}