Pith Number

pith:OUIJZOZB

pith:2026:OUIJZOZB6X2KS4A4QWMXHDD6JU

not attested not anchored not stored refs pending

On the collapse of three point vortices on surfaces

Boris A. Khanikati, Theodore D. Drivas, Valeriya A. Khanikati

arxiv:2607.16490 v1 · 2026-07-17 · physics.flu-dyn · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUIJZOZB6X2KS4A4QWMXHDD6JU}

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	2026-07-21T00:20:21.292910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75109cbb21f5f4a9701c8599738c7e4d0ba63fc6aae5795f34319361c71e2745

Aliases

arxiv: 2607.16490 · arxiv_version: 2607.16490v1 · doi: 10.48550/arxiv.2607.16490 · pith_short_12: OUIJZOZB6X2K · pith_short_16: OUIJZOZB6X2KS4A4 · pith_short_8: OUIJZOZB

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/OUIJZOZB6X2KS4A4QWMXHDD6JU \
  | 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: 75109cbb21f5f4a9701c8599738c7e4d0ba63fc6aae5795f34319361c71e2745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "746852aaadff5ee5961cca0d81aba3310a379aff2becac4de381b0c2ff31ee60",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-07-17T20:29:53Z",
    "title_canon_sha256": "bce0ecb50f5c62597f41016cb19f8c1481ef1d372c633409792cfb1d8ff5326f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16490",
    "kind": "arxiv",
    "version": 1
  }
}