Pith Number

pith:NIENOT4H

pith:1999:NIENOT4HAZNMDQYENXHYB2J2IJ

not attested not anchored not stored refs pending

Neumann and Bargmann systems associated with an extension of the coupled KdV hierarchy

Zhimin Jiang

arxiv:nlin/9901201 v1 · 1999-01-01 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIENOT4HAZNMDQYENXHYB2J2IJ}

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	2026-05-18T01:38:17.569029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a08d74f87065ac1c3046dcf80e93a42536f8ba759e2349f661be55a65e8be51

Aliases

arxiv: nlin/9901201 · arxiv_version: nlin/9901201v1 · doi: 10.48550/arxiv.nlin/9901201 · pith_short_12: NIENOT4HAZNM · pith_short_16: NIENOT4HAZNMDQYE · pith_short_8: NIENOT4H

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/NIENOT4HAZNMDQYENXHYB2J2IJ \
  | 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: 6a08d74f87065ac1c3046dcf80e93a42536f8ba759e2349f661be55a65e8be51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8fa4997a86881276af2f4da4226c81bb54f0ed160679a1c98244c732ee14ae3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "1999-01-01T00:00:00Z",
    "title_canon_sha256": "456ebde5e1c149c291d0303a242aaad6f693ade885334770355534187085e27a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/9901201",
    "kind": "arxiv",
    "version": 1
  }
}