Pith Number

pith:Y4DX3CIO

pith:2017:Y4DX3CIOGUTJPXZEWQDMOI7JOM

not attested not anchored not stored refs pending

On the Expansion Coefficients of KP Tau Function

Atsushi Nakayashiki, Soichi Okada, Yoko Shigyo

arxiv:1704.03659 v1 · 2017-04-12 · nlin.SI · math-ph · math.CO · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4DX3CIOGUTJPXZEWQDMOI7JOM}

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	2026-05-18T00:46:27.221137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7077d890e352697df24b406c723e97321d03091a4cd1487d46167915999ef9c

Aliases

arxiv: 1704.03659 · arxiv_version: 1704.03659v1 · doi: 10.48550/arxiv.1704.03659 · pith_short_12: Y4DX3CIOGUTJ · pith_short_16: Y4DX3CIOGUTJPXZE · pith_short_8: Y4DX3CIO

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/Y4DX3CIOGUTJPXZEWQDMOI7JOM \
  | 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: c7077d890e352697df24b406c723e97321d03091a4cd1487d46167915999ef9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30977546bbf17d3a9107f1c3836943f7642bd623c8cb3db5239957f6f44ec1e3",
    "cross_cats_sorted": [
      "math-ph",
      "math.CO",
      "math.MP",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2017-04-12T08:40:37Z",
    "title_canon_sha256": "d0c5959c7d99335205ae7ce5b8b68ef5e1d2317e13724d70a95ff68d27e69815"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03659",
    "kind": "arxiv",
    "version": 1
  }
}