Pith Number

pith:UFZX5V6Y

pith:2016:UFZX5V6YPCXSR2DRSPIP264FLG

not attested not anchored not stored refs pending

Existence of corotating and counter-rotating vortex pairs for active scalar equations

Joan Mateu, Taoufik Hmidi

arxiv:1601.02242 v2 · 2016-01-10 · 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{UFZX5V6YPCXSR2DRSPIP264FLG}

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	2026-05-18T00:26:37.984728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1737ed7d878af28e87193d0fd7b85599ea79f1f66f1a899c76bdbe68b365edd

Aliases

arxiv: 1601.02242 · arxiv_version: 1601.02242v2 · doi: 10.48550/arxiv.1601.02242 · pith_short_12: UFZX5V6YPCXS · pith_short_16: UFZX5V6YPCXSR2DR · pith_short_8: UFZX5V6Y

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/UFZX5V6YPCXSR2DRSPIP264FLG \
  | 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: a1737ed7d878af28e87193d0fd7b85599ea79f1f66f1a899c76bdbe68b365edd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a47a6b99eea56b3a16435735ea02126d1560393f9f10861ff45f8b63e273c310",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-01-10T18:06:40Z",
    "title_canon_sha256": "2c95143395d0503388b96faec093b595d45728e6a5866a40c1c0f583106866f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02242",
    "kind": "arxiv",
    "version": 2
  }
}