Pith Number

pith:7MFVLHFI

pith:2010:7MFVLHFIS5KA6FISHMB3YOQXTT

not attested not anchored not stored refs pending

How can vorticity be produced in irrotationally forced flows?

Axel Brandenburg, Fabio Del Sordo

arxiv:1012.4772 v1 · 2010-12-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MFVLHFIS5KA6FISHMB3YOQXTT}

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	2026-05-18T04:20:12.940921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb0b559ca897540f15123b03bc3a179cd6f0ba8b1c09fdf7d1a0947e8767401d

Aliases

arxiv: 1012.4772 · arxiv_version: 1012.4772v1 · doi: 10.48550/arxiv.1012.4772 · pith_short_12: 7MFVLHFIS5KA · pith_short_16: 7MFVLHFIS5KA6FIS · pith_short_8: 7MFVLHFI

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/7MFVLHFIS5KA6FISHMB3YOQXTT \
  | 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: fb0b559ca897540f15123b03bc3a179cd6f0ba8b1c09fdf7d1a0947e8767401d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7e7a8cf07b654055037a5cdcc5c0f59697554babb7a8c373ddaecd91954486",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-12-21T19:31:47Z",
    "title_canon_sha256": "baaa8957df4a0f48b72679ab6129ed42aedb78d7e647d6ef5ce4d51c1fbafbce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4772",
    "kind": "arxiv",
    "version": 1
  }
}