Pith Number

pith:MHY5OOFD

pith:2013:MHY5OOFDDV7HTKKUOINONIBOOY

not attested not anchored not stored refs pending

An inverse spectral problem related to the Geng-Xue two-component peakon equation

Hans Lundmark, Jacek Szmigielski

arxiv:1304.0854 v1 · 2013-04-03 · math.SP · 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{MHY5OOFDDV7HTKKUOINONIBOOY}

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	2026-05-18T00:52:17.956909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61f1d738a31d7e79a954721ae6a02e76236c1775b007fc66774dc7c730d5749c

Aliases

arxiv: 1304.0854 · arxiv_version: 1304.0854v1 · doi: 10.48550/arxiv.1304.0854 · pith_short_12: MHY5OOFDDV7H · pith_short_16: MHY5OOFDDV7HTKKU · pith_short_8: MHY5OOFD

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/MHY5OOFDDV7HTKKUOINONIBOOY \
  | 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: 61f1d738a31d7e79a954721ae6a02e76236c1775b007fc66774dc7c730d5749c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "568031d48092bd4b4b2d4ff4231b15bbdc6b0e7cdc291a2c9f49fecf91c9c30c",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2013-04-03T07:04:29Z",
    "title_canon_sha256": "eaf9cfeb10b1c4b7db807c9c7f4bd57d58696e978532d5dad233eb2b8988e8c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0854",
    "kind": "arxiv",
    "version": 1
  }
}