Pith Number

pith:WKFDGSJD

pith:2019:WKFDGSJDLQTLXADFKDE4LYMZ5W

not attested not anchored not stored refs pending

On the existence of full dimensional KAM torus for nonlinear Schr\"odinger equation

Hongzi Cong, Lufang Mi, Yuan Wu, Yunfeng Shi

arxiv:1903.00127 v1 · 2019-03-01 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKFDGSJDLQTLXADFKDE4LYMZ5W}

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	2026-05-17T23:52:20.840744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b28a3349235c26bb806550c9c5e199ed8ff7b0d81293cb8e8a152f440be8ba17

Aliases

arxiv: 1903.00127 · arxiv_version: 1903.00127v1 · doi: 10.48550/arxiv.1903.00127 · pith_short_12: WKFDGSJDLQTL · pith_short_16: WKFDGSJDLQTLXADF · pith_short_8: WKFDGSJD

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/WKFDGSJDLQTLXADFKDE4LYMZ5W \
  | 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: b28a3349235c26bb806550c9c5e199ed8ff7b0d81293cb8e8a152f440be8ba17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b6a631eda4dc35c34888c10619ee4369d54dc35255eeb464b11ed2b98718d8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-03-01T02:18:16Z",
    "title_canon_sha256": "72f52c2d4c4140c152d9e44509e203b2aa956c3910e4b512bd7d89ec91f0590a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00127",
    "kind": "arxiv",
    "version": 1
  }
}