Pith Number

pith:QDD7536G

pith:2015:QDD7536GCGDNK7DLMECMYSCGOX

not attested not anchored not stored refs pending

Scattering-like phenomena of the periodic defocusing NLS equation

B. Schaad, P. Topalov, T. Kappeler

arxiv:1505.07394 v1 · 2015-05-27 · 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{QDD7536GCGDNK7DLMECMYSCGOX}

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	2026-05-18T02:02:04.555765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80c7feefc61186d57c6b6104cc484675cd35f5df03af525cb910532f676fd71f

Aliases

arxiv: 1505.07394 · arxiv_version: 1505.07394v1 · doi: 10.48550/arxiv.1505.07394 · pith_short_12: QDD7536GCGDN · pith_short_16: QDD7536GCGDNK7DL · pith_short_8: QDD7536G

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/QDD7536GCGDNK7DLMECMYSCGOX \
  | 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: 80c7feefc61186d57c6b6104cc484675cd35f5df03af525cb910532f676fd71f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92e084e3cd3ba2544655b5ac920a22c22d27cd3d213d8d429c371b2670e6121d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-05-27T16:22:28Z",
    "title_canon_sha256": "c2c22ec7b6536e35e449f48789c68c75fc94f4c54b401522ba9c713f39b38a4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07394",
    "kind": "arxiv",
    "version": 1
  }
}