Pith Number

pith:EOFK6M6P

pith:2019:EOFK6M6PZ5QFRWA45BH577HBSP

not attested not anchored not stored refs pending

Stability of Leapfrogging Vortex Pairs: A Semi-analytic Approach

Brandon M. Behring, Roy H. Goodman

arxiv:1908.08618 v2 · 2019-08-22 · nlin.CD · math.DS · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOFK6M6PZ5QFRWA45BH577HBSP}

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	2026-07-05T00:28:52.258770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

238aaf33cfcf6058d81ce84fdffce193fec972791cd6fa70db027c233188a830

Aliases

arxiv: 1908.08618 · arxiv_version: 1908.08618v2 · doi: 10.48550/arxiv.1908.08618 · pith_short_12: EOFK6M6PZ5QF · pith_short_16: EOFK6M6PZ5QFRWA4 · pith_short_8: EOFK6M6P

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/EOFK6M6PZ5QFRWA45BH577HBSP \
  | 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: 238aaf33cfcf6058d81ce84fdffce193fec972791cd6fa70db027c233188a830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "656cb68c55720b99de440d99f1b0abbfc110eadf3d13e5ff52c788b8ddf08002",
    "cross_cats_sorted": [
      "math.DS",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2019-08-22T23:04:14Z",
    "title_canon_sha256": "33047d51ee70fb67c5a8c24c950a7e60b73074b65733f5c72bafeb8d1c77193b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08618",
    "kind": "arxiv",
    "version": 2
  }
}