Pith Number

pith:MZ5F5UXU

pith:2014:MZ5F5UXUKEJHBYESQ6KYGGDYPI

not attested not anchored not stored refs pending

Finiteness of Fixed Equilibrium Configurations of Point Vortices in the Plane with Background Flow

Pak-Leong Cheung, Tuen Wai Ng

arxiv:1409.2284 v1 · 2014-09-08 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZ5F5UXUKEJHBYESQ6KYGGDYPI}

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	2026-05-18T02:43:17.496068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

667a5ed2f4511270e09287958318787a003b0ff6a015febeb9d83770640bc032

Aliases

arxiv: 1409.2284 · arxiv_version: 1409.2284v1 · doi: 10.48550/arxiv.1409.2284 · pith_short_12: MZ5F5UXUKEJH · pith_short_16: MZ5F5UXUKEJHBYES · pith_short_8: MZ5F5UXU

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/MZ5F5UXUKEJHBYESQ6KYGGDYPI \
  | 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: 667a5ed2f4511270e09287958318787a003b0ff6a015febeb9d83770640bc032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ff9093f4774cd296e737f06e9d5b873ad5ef438ecfcf7f63e009b8d1a22b2e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-09-08T10:41:56Z",
    "title_canon_sha256": "4dcfd64b05b41a4c89c7ea97f2ebb1d0b32e4f2ae5ed1d181d2bbd99717633d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2284",
    "kind": "arxiv",
    "version": 1
  }
}