Pith Number

pith:NODUNT75

pith:2015:NODUNT75EWAHG7X7PJEISC3FJD

not attested not anchored not stored refs pending

Smooth attractors for weak solutions of the SQG equation with critical dissipation

Michele Coti Zelati, Piotr Kalita

arxiv:1512.08418 v1 · 2015-12-28 · 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{NODUNT75EWAHG7X7PJEISC3FJD}

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	2026-05-18T01:23:42.359406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b8746cffd2580737eff7a48890b6548ef3269194dbbb67f1d79080ffbc9d35f

Aliases

arxiv: 1512.08418 · arxiv_version: 1512.08418v1 · doi: 10.48550/arxiv.1512.08418 · pith_short_12: NODUNT75EWAH · pith_short_16: NODUNT75EWAHG7X7 · pith_short_8: NODUNT75

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/NODUNT75EWAHG7X7PJEISC3FJD \
  | 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: 6b8746cffd2580737eff7a48890b6548ef3269194dbbb67f1d79080ffbc9d35f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72c0a77da39c48f2d0dacc88ac0c293af3800bebca241fde356e4fdc9470197e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-12-28T14:13:09Z",
    "title_canon_sha256": "1c931b41978aa65dbb88e8922f36d7b013b2fff84a119f7ec6cfda43aa22b1ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08418",
    "kind": "arxiv",
    "version": 1
  }
}