Pith Number

pith:FTRCXQYH

pith:2013:FTRCXQYH3WJ5EGLDROD4WD2I3W

not attested not anchored not stored refs pending

The WKB approximation of semiclassical eigenvalues of the Zakharov-Shabat problem

Gregory D. Lyng, Long Lee, Yeongjoh Kim

arxiv:1310.4145 v1 · 2013-10-15 · nlin.SI · math.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTRCXQYH3WJ5EGLDROD4WD2I3W}

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	2026-05-18T01:47:05.038575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ce22bc307dd93d219638b87cb0f48dd9b6b6af01d2c9bb3d9d4d4f3c038fbd3

Aliases

arxiv: 1310.4145 · arxiv_version: 1310.4145v1 · doi: 10.48550/arxiv.1310.4145 · pith_short_12: FTRCXQYH3WJ5 · pith_short_16: FTRCXQYH3WJ5EGLD · pith_short_8: FTRCXQYH

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/FTRCXQYH3WJ5EGLDROD4WD2I3W \
  | 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: 2ce22bc307dd93d219638b87cb0f48dd9b6b6af01d2c9bb3d9d4d4f3c038fbd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cd942d0e884994324f771b0733406975a428b149808f53c54ec6d926c10a99a",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-10-15T18:54:22Z",
    "title_canon_sha256": "5b640e304e447c95e7411f354b5747015136a7444edb25244451a53e002e036f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4145",
    "kind": "arxiv",
    "version": 1
  }
}