Pith Number

pith:PKTFN777

pith:2015:PKTFN777IUSCLI4PIQXM5VF52N

not attested not anchored not stored refs pending

Integrable semi-discretizations of the reduced Ostrovsky equation

Bao-feng Feng, Ken-ichi Maruno, Yasuhiro Ohta

arxiv:1502.03891 v1 · 2015-02-13 · nlin.SI · 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{PKTFN777IUSCLI4PIQXM5VF52N}

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	2026-05-18T01:41:03.420704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aa656ffff452425a38f442eced4bdd3589bddc24c3d431b84dd64799baef504

Aliases

arxiv: 1502.03891 · arxiv_version: 1502.03891v1 · doi: 10.48550/arxiv.1502.03891 · pith_short_12: PKTFN777IUSC · pith_short_16: PKTFN777IUSCLI4P · pith_short_8: PKTFN777

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/PKTFN777IUSCLI4PIQXM5VF52N \
  | 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: 7aa656ffff452425a38f442eced4bdd3589bddc24c3d431b84dd64799baef504

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f87ead8474c6fc48a5fdceacab0da541eba8ea8a052e92b30aa90b8cb290f64",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2015-02-13T05:50:10Z",
    "title_canon_sha256": "9d740cf67baf1312593210988578dd702f29366b3cab6fd6a1a35690d41a0f28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03891",
    "kind": "arxiv",
    "version": 1
  }
}