Pith Number

pith:DZ2I5OVM

pith:2019:DZ2I5OVMJJR42MQ6EBQL5PTTEQ

not attested not anchored not stored refs pending

Vortex dynamics under pulsatile flow in axisymmetric constricted tubes

Alexandre L'Her, Cecilia Cabeza, Gustavo L. Saras\'ua, Javier Brum, Nicasio Barrere

arxiv:1904.10547 v2 · 2019-04-23 · 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{DZ2I5OVMJJR42MQ6EBQL5PTTEQ}

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	2026-07-05T00:25:38.525670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e748ebaac4a63cd321e2060bebe732437cc134043b8f79712b6f52c0706ff4c

Aliases

arxiv: 1904.10547 · arxiv_version: 1904.10547v2 · doi: 10.48550/arxiv.1904.10547 · pith_short_12: DZ2I5OVMJJR4 · pith_short_16: DZ2I5OVMJJR42MQ6 · pith_short_8: DZ2I5OVM

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/DZ2I5OVMJJR42MQ6EBQL5PTTEQ \
  | 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: 1e748ebaac4a63cd321e2060bebe732437cc134043b8f79712b6f52c0706ff4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "205beab1969210e79a2c01f5c26c37608d13fc96fde517af2ead94e0df506d7d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-04-23T21:47:30Z",
    "title_canon_sha256": "073f939c5010eaad587e686c24b30360089afcaf7c26978956a1a2e2610b2cb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10547",
    "kind": "arxiv",
    "version": 2
  }
}