Pith Number

pith:BDEXNSY4

pith:2012:BDEXNSY4Q5QUHNNSVZSWGECEQH

not attested not anchored not stored refs pending

Tetrahedron deformation and alignment of perceived vorticity and strain in a turbulent flow

Alain Pumir, Eberhard Bodenschatz, Haitao Xu

arxiv:1204.5857 v2 · 2012-04-26 · 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{BDEXNSY4Q5QUHNNSVZSWGECEQH}

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	2026-05-18T01:57:43.985883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08c976cb1c876143b5b2ae6563104481f3ae140baee775f0303c74b8903d22ca

Aliases

arxiv: 1204.5857 · arxiv_version: 1204.5857v2 · doi: 10.48550/arxiv.1204.5857 · pith_short_12: BDEXNSY4Q5QU · pith_short_16: BDEXNSY4Q5QUHNNS · pith_short_8: BDEXNSY4

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/BDEXNSY4Q5QUHNNSVZSWGECEQH \
  | 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: 08c976cb1c876143b5b2ae6563104481f3ae140baee775f0303c74b8903d22ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b09ee8e20b7a9f73dfcca1fd9b50b66a529cd5c0560793de0deede9d69958e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-04-26T08:06:40Z",
    "title_canon_sha256": "df5aa96aa91be2927ba6a01536af5c0b06c3d54a11e57403731e5c94b8cb0878"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5857",
    "kind": "arxiv",
    "version": 2
  }
}