Pith Number

pith:OLUIZZX6

pith:2020:OLUIZZX6RWZXR67KLUQFXPYJVL

not attested not anchored not stored refs pending

On the derivative nonlinear Schr\"odinger equation with weakly dissipative structure

Chunhua Li, Hideaki Sunagawa, Yoshinori Nishii, Yuji Sagawa

arxiv:2004.12075 v1 · 2020-04-25 · 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{OLUIZZX6RWZXR67KLUQFXPYJVL}

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	2026-07-05T03:22:32.181526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72e88ce6fe8db378fbea5d205bbf09aaf58807e5c72d25f88199ea68b937adee

Aliases

arxiv: 2004.12075 · arxiv_version: 2004.12075v1 · doi: 10.48550/arxiv.2004.12075 · pith_short_12: OLUIZZX6RWZX · pith_short_16: OLUIZZX6RWZXR67K · pith_short_8: OLUIZZX6

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/OLUIZZX6RWZXR67KLUQFXPYJVL \
  | 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: 72e88ce6fe8db378fbea5d205bbf09aaf58807e5c72d25f88199ea68b937adee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8325266b6f1883a369d2b2a0292f9670ae5eb27c72a35bf1c5b69aa5d429b58c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-04-25T07:45:13Z",
    "title_canon_sha256": "54791f73f8a5f379ac30d015f3cd1dbabf43adf4e761bc44d68e3b6b8eb331cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.12075",
    "kind": "arxiv",
    "version": 1
  }
}