Pith Number

pith:FDXA6NOO

pith:2025:FDXA6NOO2HQYQACQMK2GHAFKDX

not attested not anchored not stored refs pending

Two new super integrable hierarchies and a generalized super-AKNS hierarchy

Bo Yuan, Tao Zhang, Yanhui Bi, Yuqi Ruan

arxiv:2509.25995 v3 · 2025-09-30 · nlin.SI · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDXA6NOO2HQYQACQMK2GHAFKDX}

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	2026-05-28T01:04:30.893182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ee0f35ced1e188005062b46380aa1de0461ef160be3b7fc417df8be2ef66d0

Aliases

arxiv: 2509.25995 · arxiv_version: 2509.25995v3 · doi: 10.48550/arxiv.2509.25995 · pith_short_12: FDXA6NOO2HQY · pith_short_16: FDXA6NOO2HQYQACQ · pith_short_8: FDXA6NOO

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/FDXA6NOO2HQYQACQMK2GHAFKDX \
  | 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: 28ee0f35ced1e188005062b46380aa1de0461ef160be3b7fc417df8be2ef66d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f58ded2d21601949609f928a3a4d61a558c77bd85f48fe1029771b7852ce1a7",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2025-09-30T09:28:46Z",
    "title_canon_sha256": "01306e348d1eeb07e5e5ec13096a022cb18fa47f46afc25e4f9b10dd88b6a160"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.25995",
    "kind": "arxiv",
    "version": 3
  }
}