Pith Number

pith:7CHLINDN

pith:2023:7CHLINDNEDEIW3Z6HTR4KXAWIO

not attested not anchored not stored refs pending

Illposedness via degenerate dispersion for generalized surface quasi-geostrophic equations with singular velocities

Dongho Chae, In-Jee Jeong, Sung-Jin Oh

arxiv:2308.02120 v2 · 2023-08-04 · 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{7CHLINDNEDEIW3Z6HTR4KXAWIO}

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.

Cited by

1 paper in Pith

Strong ill-posedness and non-existence in Sobolev spaces for generalized-SQG

Receipt and verification

First computed	2026-07-05T11:00:57.509091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f88eb4346d20c88b6f3e3ce3c55c1643afa926560599d04e549fd205339f3a28

Aliases

arxiv: 2308.02120 · arxiv_version: 2308.02120v2 · doi: 10.48550/arxiv.2308.02120 · pith_short_12: 7CHLINDNEDEI · pith_short_16: 7CHLINDNEDEIW3Z6 · pith_short_8: 7CHLINDN

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/7CHLINDNEDEIW3Z6HTR4KXAWIO \
  | 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: f88eb4346d20c88b6f3e3ce3c55c1643afa926560599d04e549fd205339f3a28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72807fa0559f8b5ea7f35ab7b8f053e5f0791347adb170dd1f7de3e7ec6b182e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2023-08-04T03:30:55Z",
    "title_canon_sha256": "b9e9f5c9af5aa0c02864dc463261aa48feea36b3f3c5528f897daa107bbe77f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.02120",
    "kind": "arxiv",
    "version": 2
  }
}