pith. sign in
Pith Number

pith:PHL36MOO

pith:2018:PHL36MOOIQWARK6X6BMOKJYLF3
not attested not anchored not stored refs pending

Collapse of generalized Euler and surface quasi-geostrophic point-vortices

Anna M. Barry, Gualtiero Badin

arxiv:1805.10127 v2 · 2018-05-23 · physics.ao-ph · math-ph · math.MP · nlin.SI · physics.flu-dyn

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PHL36MOOIQWARK6X6BMOKJYLF3}

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 2026-05-18T00:05:31.032344Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

79d7bf31ce442c08abd7f058e5270b2ee6ddc7a1ad6017a75713572f498390eb

Aliases

arxiv: 1805.10127 · arxiv_version: 1805.10127v2 · doi: 10.48550/arxiv.1805.10127 · pith_short_12: PHL36MOOIQWA · pith_short_16: PHL36MOOIQWARK6X · pith_short_8: PHL36MOO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PHL36MOOIQWARK6X6BMOKJYLF3 \
  | 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: 79d7bf31ce442c08abd7f058e5270b2ee6ddc7a1ad6017a75713572f498390eb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bacf91a15b28a763aaf1628c3148530f82c6fe14518d33632418dc9cd32cb80d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2018-05-23T18:24:52Z",
    "title_canon_sha256": "e020123cea37b60c1a1c220f35f86006b7cd99bfa8aacb488181dca25e091a9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10127",
    "kind": "arxiv",
    "version": 2
  }
}