Pith Number

pith:KH2VB4OW

pith:2021:KH2VB4OWG7CM3QSKWYLEU4F44C

not attested not anchored not stored refs pending

Quasi-stationary solutions of the surface quasi-geostrophic equation

Zhi-Min Chen

arxiv:2105.00737 v1 · 2021-05-03 · 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{KH2VB4OWG7CM3QSKWYLEU4F44C}

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	2026-07-05T02:36:57.331845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51f550f1d637c4cdc24ab6164a70bce09ed16043e02f3ff9eb1418a714c656ae

Aliases

arxiv: 2105.00737 · arxiv_version: 2105.00737v1 · doi: 10.48550/arxiv.2105.00737 · pith_short_12: KH2VB4OWG7CM · pith_short_16: KH2VB4OWG7CM3QSK · pith_short_8: KH2VB4OW

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/KH2VB4OWG7CM3QSKWYLEU4F44C \
  | 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: 51f550f1d637c4cdc24ab6164a70bce09ed16043e02f3ff9eb1418a714c656ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a893ea4156db536a920e8e55d9d817ff370f51ef9cb762b67dbbeafb25b3a5e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2021-05-03T10:27:48Z",
    "title_canon_sha256": "c8cd6e6785e5c8cfec03bb6f6a3b249e251defa28779a1dae2bd45be3a644281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00737",
    "kind": "arxiv",
    "version": 1
  }
}