Pith Number

pith:HN4XFBMX

pith:2019:HN4XFBMXHZQE5FN2A5ZCO3ASPK

not attested not anchored not stored refs pending

Lagrangian transport and chaotic advection in three-dimensional laminar flows

Guy Metcalfe, Michel Speetjens, Murray Rudman

arxiv:1904.07580 v1 · 2019-04-16 · physics.flu-dyn · nlin.CD · physics.app-ph · physics.bio-ph · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HN4XFBMXHZQE5FN2A5ZCO3ASPK}

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	2026-05-17T23:48:24.780925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b797285973e604e95ba0772276c127a829526513bf9793d48cd65a0598c9af6

Aliases

arxiv: 1904.07580 · arxiv_version: 1904.07580v1 · doi: 10.48550/arxiv.1904.07580 · pith_short_12: HN4XFBMXHZQE · pith_short_16: HN4XFBMXHZQE5FN2 · pith_short_8: HN4XFBMX

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/HN4XFBMXHZQE5FN2A5ZCO3ASPK \
  | 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: 3b797285973e604e95ba0772276c127a829526513bf9793d48cd65a0598c9af6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47aee6a69fb776945417e1637a7233328a8bcb167dcec07335d8fb6c2690e6ca",
    "cross_cats_sorted": [
      "nlin.CD",
      "physics.app-ph",
      "physics.bio-ph",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-04-16T10:21:34Z",
    "title_canon_sha256": "d90fc921dc8b7a2c74ac620d383de6af14af209096823af44044cc3c82ad4c27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07580",
    "kind": "arxiv",
    "version": 1
  }
}