Pith Number

pith:TK7QR5KB

pith:2017:TK7QR5KBGZELHZO6XFP3ODPQU5

not attested not anchored not stored refs pending

Global solutions for the generalized SQG patch equation

Alexandru D. Ionescu, Diego C\'ordoba, Javier G\'omez-Serrano

arxiv:1705.10842 v1 · 2017-05-30 · 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{TK7QR5KBGZELHZO6XFP3ODPQU5}

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	2026-05-18T00:43:20.092126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9abf08f5413648b3e5deb95fb70df0a7456855f80c0b8b096ff6501702e7889d

Aliases

arxiv: 1705.10842 · arxiv_version: 1705.10842v1 · doi: 10.48550/arxiv.1705.10842 · pith_short_12: TK7QR5KBGZEL · pith_short_16: TK7QR5KBGZELHZO6 · pith_short_8: TK7QR5KB

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/TK7QR5KBGZELHZO6XFP3ODPQU5 \
  | 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: 9abf08f5413648b3e5deb95fb70df0a7456855f80c0b8b096ff6501702e7889d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "435a0842e18d391f046af9774ae7e38d920e7a4369d0c5fee7280e3d87f4b86f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-05-30T19:51:42Z",
    "title_canon_sha256": "b38d223183fb5374f5b506ad79dfa520fc25468d13dfdf8fab27cd258c04105d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10842",
    "kind": "arxiv",
    "version": 1
  }
}