Pith Number

pith:MMFP2LKJ

pith:2021:MMFP2LKJL2FRE6OBZQQUHVCIHW

not attested not anchored not stored refs pending

Solving localized wave solutions of the derivative nonlinear Schrodinger equation using an improved PINN method

Juncai Pu, Jun Li, Yong Chen

arxiv:2101.08593 v1 · 2021-01-21 · nlin.PS · 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{MMFP2LKJL2FRE6OBZQQUHVCIHW}

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	2026-07-05T02:08:36.950114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

630afd2d495e8b1279c1cc2143d4483dbe9c95aab6daf02b05414b55906555cd

Aliases

arxiv: 2101.08593 · arxiv_version: 2101.08593v1 · doi: 10.48550/arxiv.2101.08593 · pith_short_12: MMFP2LKJL2FR · pith_short_16: MMFP2LKJL2FRE6OB · pith_short_8: MMFP2LKJ

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/MMFP2LKJL2FRE6OBZQQUHVCIHW \
  | 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: 630afd2d495e8b1279c1cc2143d4483dbe9c95aab6daf02b05414b55906555cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4978ae78c083333143f2359ef364ff5a39f7fd878b2090ac53b439e60d9db9d",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2021-01-21T13:15:53Z",
    "title_canon_sha256": "129822d8b9ffb4b354e4cd2a3e3345521aae43f81d0348743bd39906e9e16a51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08593",
    "kind": "arxiv",
    "version": 1
  }
}