Pith Number

pith:6CXKOE74

pith:2018:6CXKOE74EPIAIITBI4FWCXQVVE

not attested not anchored not stored refs pending

Riemann-Hilbert approach for a mixed coupled nonlinear Schr\"odinger system and its soliton solutions

Beibei Hu, Fang Fang, Ling Zhang, Ning Zhang

arxiv:1809.09472 v1 · 2018-09-22 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CXKOE74EPIAIITBI4FWCXQVVE}

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	2026-05-18T00:04:53.193345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0aea713fc23d0042261470b615e15a906f04a7e9c42b0edc0506afb26985dbf

Aliases

arxiv: 1809.09472 · arxiv_version: 1809.09472v1 · doi: 10.48550/arxiv.1809.09472 · pith_short_12: 6CXKOE74EPIA · pith_short_16: 6CXKOE74EPIAIITB · pith_short_8: 6CXKOE74

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/6CXKOE74EPIAIITBI4FWCXQVVE \
  | 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: f0aea713fc23d0042261470b615e15a906f04a7e9c42b0edc0506afb26985dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f4111693c4e8e98b36d9ce63d5d2ddc057fcef64bf847abadab3b0369d7933",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-22T01:36:17Z",
    "title_canon_sha256": "13846c93428f28296b6fefae593a0297dce419a78d69dfcdf8bccdff099c85dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09472",
    "kind": "arxiv",
    "version": 1
  }
}