Pith Number

pith:4FUXQ7QL

pith:2012:4FUXQ7QLOOOLNWPTZGBXKIDPML

not attested not anchored not stored refs pending

Observation of a Free-Shercliff-Layer Instability in Cylindrical Geometry

Austin Roach, Christophe Gissinger, Eric Edlund, Erik Spence, Hantao Ji, Jeremy Goodman, Peter Sloboda

arxiv:1204.6339 v1 · 2012-04-27 · physics.flu-dyn · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FUXQ7QLOOOLNWPTZGBXKIDPML}

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	2026-05-18T03:56:45.832585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e169787e0b739cb6d9f3c98375206f62cb2da456f0e5cd84c93015f4cd6f8038

Aliases

arxiv: 1204.6339 · arxiv_version: 1204.6339v1 · doi: 10.48550/arxiv.1204.6339 · pith_short_12: 4FUXQ7QLOOOL · pith_short_16: 4FUXQ7QLOOOLNWPT · pith_short_8: 4FUXQ7QL

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/4FUXQ7QLOOOLNWPTZGBXKIDPML \
  | 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: e169787e0b739cb6d9f3c98375206f62cb2da456f0e5cd84c93015f4cd6f8038

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f297b88310dcda4af5ab737c12d6675c276a0c74a1e11b675d3a6a951a9a832f",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-04-27T22:10:32Z",
    "title_canon_sha256": "10e5c922220d69c8561b9fd89dd61034d049d8a61541cc154ba04cf8f354d3a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6339",
    "kind": "arxiv",
    "version": 1
  }
}