Pith Number

pith:IKVSEQH6

pith:2017:IKVSEQH6VQJRB63BPF3KUMB22V

not attested not anchored not stored refs pending

The discrete Toda equation revisited, dual $\beta$-Grothendieck polynomial, ultradiscretization and static soliton

Hidetomo Nagai, Shinsuke Iwao

arxiv:1708.09814 v2 · 2017-08-31 · math-ph · math.DS · 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{IKVSEQH6VQJRB63BPF3KUMB22V}

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	2026-05-18T00:19:27.016749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42ab2240feac1310fb617976aa303ad572ca6e3485033d81d6139f0009d7a82f

Aliases

arxiv: 1708.09814 · arxiv_version: 1708.09814v2 · doi: 10.48550/arxiv.1708.09814 · pith_short_12: IKVSEQH6VQJR · pith_short_16: IKVSEQH6VQJRB63B · pith_short_8: IKVSEQH6

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/IKVSEQH6VQJRB63BPF3KUMB22V \
  | 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: 42ab2240feac1310fb617976aa303ad572ca6e3485033d81d6139f0009d7a82f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a73dffe6e08812ef3631af8ef63cbc536c3724bd961df45698cb60695d0fe59",
    "cross_cats_sorted": [
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-08-31T16:58:57Z",
    "title_canon_sha256": "c275d6b3335672563aaf99090761096d5cc53078f3d7e6860a95ab50bc342347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09814",
    "kind": "arxiv",
    "version": 2
  }
}