Pith Number

pith:RN2BNKR5

pith:2015:RN2BNKR5HY2SCFWP4LBNHHXQKF

not attested not anchored not stored refs pending

Defining Coherent Vortices Objectively from the Vorticity

Alireza Hadjighasem, Florian Huhn, George Haller, Mohammad Farazmand

arxiv:1506.04061 v2 · 2015-06-12 · physics.flu-dyn · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RN2BNKR5HY2SCFWP4LBNHHXQKF}

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	2026-05-18T01:15:46.636339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b7416aa3d3e352116cfe2c2d39ef051521178c13f621f39a0fdc87475fef20b

Aliases

arxiv: 1506.04061 · arxiv_version: 1506.04061v2 · doi: 10.48550/arxiv.1506.04061 · pith_short_12: RN2BNKR5HY2S · pith_short_16: RN2BNKR5HY2SCFWP · pith_short_8: RN2BNKR5

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/RN2BNKR5HY2SCFWP4LBNHHXQKF \
  | 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: 8b7416aa3d3e352116cfe2c2d39ef051521178c13f621f39a0fdc87475fef20b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "900afccfc47e47fb98be5ff707fe3763e7376572b06a11015ed20b5f534d69e5",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-06-12T16:30:01Z",
    "title_canon_sha256": "bce61d2dcc170f6611278dce7e180dd7f5bd06189d336426c3063bca227ebc03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04061",
    "kind": "arxiv",
    "version": 2
  }
}