Pith Number

pith:QUZ2FJBF

pith:2018:QUZ2FJBFEKNVEPDUVI6JASY5GX

not attested not anchored not stored refs pending

On a class of derivative Nonlinear Schr\"odinger-type equations in two spatial dimensions

C. Klein, C. Sparber, J. Arbunich

arxiv:1805.12351 v2 · 2018-05-31 · 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{QUZ2FJBFEKNVEPDUVI6JASY5GX}

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	2026-05-17T23:57:46.834744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8533a2a425229b523c74aa3c904b1d35d0bd5af49bc8ca1290b0324326e7ec2c

Aliases

arxiv: 1805.12351 · arxiv_version: 1805.12351v2 · doi: 10.48550/arxiv.1805.12351 · pith_short_12: QUZ2FJBFEKNV · pith_short_16: QUZ2FJBFEKNVEPDU · pith_short_8: QUZ2FJBF

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/QUZ2FJBFEKNVEPDUVI6JASY5GX \
  | 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: 8533a2a425229b523c74aa3c904b1d35d0bd5af49bc8ca1290b0324326e7ec2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40d65451a87bcb58647241e5ff8862ac8a623a9f188ba3afa855449c40169dc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-05-31T07:18:52Z",
    "title_canon_sha256": "2c630649aea91f1e292d39c89c69955d3d69516bd0b1750b6b46c2188aec4f7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12351",
    "kind": "arxiv",
    "version": 2
  }
}