Pith Number

pith:IVNC7FTZ

pith:2012:IVNC7FTZCNRCI5YQD6VCYGN7KM

not attested not anchored not stored refs pending

Spontaneous Formation of Columnar Vortices

Beth A. Wingate, Jared P. Whitehead

arxiv:1210.3620 v2 · 2012-10-12 · 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{IVNC7FTZCNRCI5YQD6VCYGN7KM}

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	2026-05-18T03:42:12.918433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

455a2f967913622477101faa2c19bf531dd73478e7f919c5d7c79ce99f23873e

Aliases

arxiv: 1210.3620 · arxiv_version: 1210.3620v2 · doi: 10.48550/arxiv.1210.3620 · pith_short_12: IVNC7FTZCNRC · pith_short_16: IVNC7FTZCNRCI5YQ · pith_short_8: IVNC7FTZ

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/IVNC7FTZCNRCI5YQD6VCYGN7KM \
  | 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: 455a2f967913622477101faa2c19bf531dd73478e7f919c5d7c79ce99f23873e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "280fac22ed4bc5082cd7a64c3ca1fe27857335841313c30d9005383cea557b3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-10-12T15:44:32Z",
    "title_canon_sha256": "d6b92872aabd5bb2e74f89d80c96a8472d1c9ad56610c746f29c299440f3e18f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3620",
    "kind": "arxiv",
    "version": 2
  }
}