Pith Number

pith:4JOXN3H7

pith:2015:4JOXN3H74L2QQJLRPXZU5MCT6Y

not attested not anchored not stored refs pending

Local regularity for the modified SQG patch equation

Alexander Kiselev, Andrej Zlatos, Yao Yao

arxiv:1508.07611 v1 · 2015-08-30 · 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{4JOXN3H74L2QQJLRPXZU5MCT6Y}

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	2026-05-18T01:34:31.859058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25d76ecffe2f50825717df34eb053f60dd99c3b1c5085f36e9aeae9887b5e40

Aliases

arxiv: 1508.07611 · arxiv_version: 1508.07611v1 · doi: 10.48550/arxiv.1508.07611 · pith_short_12: 4JOXN3H74L2Q · pith_short_16: 4JOXN3H74L2QQJLR · pith_short_8: 4JOXN3H7

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/4JOXN3H74L2QQJLRPXZU5MCT6Y \
  | 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: e25d76ecffe2f50825717df34eb053f60dd99c3b1c5085f36e9aeae9887b5e40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40bd113b08d83a97eed2f1c95e0efb18a28ed2336385dc2c1285a15d7285cb3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-08-30T18:18:21Z",
    "title_canon_sha256": "e469aef8d26d8d87d843b9f5f8fa7f79bc2f609b919317c633193df24d5adf38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07611",
    "kind": "arxiv",
    "version": 1
  }
}