Pith Number

pith:CDDU3N4L

pith:2003:CDDU3N4LIS5EZ723ZXN7BMRXLC

not attested not anchored not stored refs pending

Inverse scattering approach to coupled higher order nonlinear Schr\"odinger equation and N-soliton solutions

Sudipta Nandy

arxiv:nlin/0304004 v1 · 2003-04-02 · 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{CDDU3N4LIS5EZ723ZXN7BMRXLC}

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	2026-05-17T23:43:24.247110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10c74db78b44ba4cff5bcddbf0b2375887bbca4d146362782d397ab2c57dbdf1

Aliases

arxiv: nlin/0304004 · arxiv_version: nlin/0304004v1 · doi: 10.48550/arxiv.nlin/0304004 · pith_short_12: CDDU3N4LIS5E · pith_short_16: CDDU3N4LIS5EZ723 · pith_short_8: CDDU3N4L

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/CDDU3N4LIS5EZ723ZXN7BMRXLC \
  | 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: 10c74db78b44ba4cff5bcddbf0b2375887bbca4d146362782d397ab2c57dbdf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7d9cc99614374be933306c24a6458daa56f1f1f085920212ed73b7c6ed9352b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2003-04-02T19:20:29Z",
    "title_canon_sha256": "1028d4aae13f773eb3ffc933b786268b32d14de358bce858e3698ff4c810d689"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0304004",
    "kind": "arxiv",
    "version": 1
  }
}