Pith Number

pith:APWHG4WB

pith:2017:APWHG4WBHGMRAJPTN7J263QLZM

not attested not anchored not stored refs pending

Well-posedness, regularity and ill-posedness for the nonlinear fourth-order Schr\"odinger equation

Van Duong Dinh

arxiv:1703.00891 v1 · 2017-03-02 · 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{APWHG4WBHGMRAJPTN7J263QLZM}

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	2026-05-18T00:24:42.982229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03ec7372c139991025f36fd3af6e0bcb35a3d17547aefd23bbc066f60ee2302b

Aliases

arxiv: 1703.00891 · arxiv_version: 1703.00891v1 · doi: 10.48550/arxiv.1703.00891 · pith_short_12: APWHG4WBHGMR · pith_short_16: APWHG4WBHGMRAJPT · pith_short_8: APWHG4WB

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/APWHG4WBHGMRAJPTN7J263QLZM \
  | 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: 03ec7372c139991025f36fd3af6e0bcb35a3d17547aefd23bbc066f60ee2302b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df14da91bb0cd1b3f9672f17c22d1a0b45a07226ff6b6c0c49eb14c3c483a28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-02T18:49:21Z",
    "title_canon_sha256": "ee69a964677953cc8aac5f50aea3ea5a1151424f31f937a373375214f9e84805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00891",
    "kind": "arxiv",
    "version": 1
  }
}