Pith Number

pith:GEBTJULF

pith:2018:GEBTJULF62UX6247IQXZVUOV6M

not attested not anchored not stored refs pending

Local wellposedness of an approximate equation for SQG fronts

Jingyang Shu, John K. Hunter, Qingtian Zhang

arxiv:1801.02718 v2 · 2018-01-08 · 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{GEBTJULF62UX6247IQXZVUOV6M}

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	2026-05-18T00:04:49.943847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

310334d165f6a97f6b9f442f9ad1d5f32d24e86f80a33687f0d7546ec2166f38

Aliases

arxiv: 1801.02718 · arxiv_version: 1801.02718v2 · doi: 10.48550/arxiv.1801.02718 · pith_short_12: GEBTJULF62UX · pith_short_16: GEBTJULF62UX6247 · pith_short_8: GEBTJULF

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/GEBTJULF62UX6247IQXZVUOV6M \
  | 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: 310334d165f6a97f6b9f442f9ad1d5f32d24e86f80a33687f0d7546ec2166f38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "831e4802e1daec65ebd35b33f893d037a838c5e512331b498f30825f69fd55da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-08T23:16:22Z",
    "title_canon_sha256": "71b83c5401a4ab036924fcbcf414517656cfe8142723b5bd2c2bc12320f90d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02718",
    "kind": "arxiv",
    "version": 2
  }
}