Pith Number

pith:WDSUZFYM

pith:2018:WDSUZFYMIWWT6AYNXTNMI5W2Z4

not attested not anchored not stored refs pending

Riemann-Hilbert method for N-soliton solution of the coupled Hirota system in nonlinear fiber

Tie-Cheng Xia, Zhou-Zheng Kang

arxiv:1810.13203 v1 · 2018-10-31 · 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{WDSUZFYMIWWT6AYNXTNMI5W2Z4}

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	2026-05-18T00:01:51.943773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0e54c970c45ad3f030dbcdac476dacf3ba7d1252a692151ccda183e3808fbd2

Aliases

arxiv: 1810.13203 · arxiv_version: 1810.13203v1 · doi: 10.48550/arxiv.1810.13203 · pith_short_12: WDSUZFYMIWWT · pith_short_16: WDSUZFYMIWWT6AYN · pith_short_8: WDSUZFYM

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/WDSUZFYMIWWT6AYNXTNMI5W2Z4 \
  | 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: b0e54c970c45ad3f030dbcdac476dacf3ba7d1252a692151ccda183e3808fbd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7491b9f2ab148087fe589873855eb94ae85739f4e568893d1257052f77b581ce",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-10-31T10:42:48Z",
    "title_canon_sha256": "05df54205e7376d4893544ce64a43d9a58623140d14331320f1a56212cde4fb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13203",
    "kind": "arxiv",
    "version": 1
  }
}