Pith Number

pith:K2QDIZJ5

pith:2025:K2QDIZJ5IBZILC2ZWPX5BMZDAK

not attested not anchored not stored refs pending

Algebro-geometric integration of the Boussinesq hierarchy

Julia Bernatska, Taras Skrypnyk

arxiv:2507.19179 v2 · 2025-07-25 · 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{K2QDIZJ5IBZILC2ZWPX5BMZDAK}

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	2026-07-05T11:47:26.750870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a034653d4072858b59b3efd0b32302ab8bc5e97258b80b29b28e8d07f899ce

Aliases

arxiv: 2507.19179 · arxiv_version: 2507.19179v2 · doi: 10.48550/arxiv.2507.19179 · pith_short_12: K2QDIZJ5IBZI · pith_short_16: K2QDIZJ5IBZILC2Z · pith_short_8: K2QDIZJ5

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/K2QDIZJ5IBZILC2ZWPX5BMZDAK \
  | 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: 56a034653d4072858b59b3efd0b32302ab8bc5e97258b80b29b28e8d07f899ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791b56f5b2a5d37df37d2645ecfc5ebcea6bf837ca87f8d890e7ed8b01ed0d97",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2025-07-25T11:41:14Z",
    "title_canon_sha256": "c3ba8d64c7f65db20179d7028f3fff8016b547f2eccca9683baca4b2f88c892c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19179",
    "kind": "arxiv",
    "version": 2
  }
}