Pith Number

pith:7ZMTVPTB

pith:2019:7ZMTVPTB22Z2ZRW3C6N2TCRB4V

not attested not anchored not stored refs pending

Randomized methods to characterize large-scale vortical flow network

Kunihiko Taira, Muralikrishnan Gopalakrishnan Meena, N. Benjamin Erichson, Steven L. Brunton, Zhe Bai

arxiv:1909.00535 v1 · 2019-09-02 · math.NA · cs.NA · physics.data-an · 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{7ZMTVPTB22Z2ZRW3C6N2TCRB4V}

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	2026-07-05T01:14:28.015393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe593abe61d6b3acc6db179ba98a21e577b7c1fea173298a3c0b3f2ae868ab58

Aliases

arxiv: 1909.00535 · arxiv_version: 1909.00535v1 · doi: 10.48550/arxiv.1909.00535 · pith_short_12: 7ZMTVPTB22Z2 · pith_short_16: 7ZMTVPTB22Z2ZRW3 · pith_short_8: 7ZMTVPTB

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/7ZMTVPTB22Z2ZRW3C6N2TCRB4V \
  | 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: fe593abe61d6b3acc6db179ba98a21e577b7c1fea173298a3c0b3f2ae868ab58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c68e954ba0d7393668720c7aaf044313aeb193dfa1373b9d6d67139e14a70752",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.data-an",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-09-02T04:19:19Z",
    "title_canon_sha256": "68667e4d866387eacc0dd032e6b547f6fb384e455c1eb438b55d6faab85014c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00535",
    "kind": "arxiv",
    "version": 1
  }
}