Pith Number

pith:VDXN7BSI

pith:2017:VDXN7BSIA7J5W4UG3W54R6FWWE

not attested not anchored not stored refs pending

Periodic fourth-order cubic NLS: Local well-posedness and Non-squeezing property

Chulkwang Kwak

arxiv:1708.00127 v2 · 2017-08-01 · 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{VDXN7BSIA7J5W4UG3W54R6FWWE}

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	2026-05-18T00:25:11.565936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8eedf864807d3db7286ddbbc8f8b6b123813ed93ef141d66a5aad383f9fde6b

Aliases

arxiv: 1708.00127 · arxiv_version: 1708.00127v2 · doi: 10.48550/arxiv.1708.00127 · pith_short_12: VDXN7BSIA7J5 · pith_short_16: VDXN7BSIA7J5W4UG · pith_short_8: VDXN7BSI

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/VDXN7BSIA7J5W4UG3W54R6FWWE \
  | 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: a8eedf864807d3db7286ddbbc8f8b6b123813ed93ef141d66a5aad383f9fde6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d763705c078a638bb076d95a5e777a66f74c060d1583db7073f6c85ad6d92151",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-08-01T01:48:39Z",
    "title_canon_sha256": "8fcf167e73d25f69f375167f201d115786283b4aee9c01f70bbe6f66172552d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00127",
    "kind": "arxiv",
    "version": 2
  }
}