Pith Number

pith:VH3EAZR3

pith:2025:VH3EAZR3ALPF7IQUDEOLHASCH5

not attested not anchored not stored refs pending

Rare-event detection in a backward-facing-step flow using live optical-flow velocimetry: observation of an upstream jet burst

Jean-Luc Aider, Juan Pimienta

arxiv:2509.25983 v3 · 2025-09-30 · 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{VH3EAZR3ALPF7IQUDEOLHASCH5}

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	2026-05-22T01:03:47.169751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f640663b02de5fa214191cb382423f4117c2db60f25dac49e9854c2c946685

Aliases

arxiv: 2509.25983 · arxiv_version: 2509.25983v3 · doi: 10.48550/arxiv.2509.25983 · pith_short_12: VH3EAZR3ALPF · pith_short_16: VH3EAZR3ALPF7IQU · pith_short_8: VH3EAZR3

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/VH3EAZR3ALPF7IQUDEOLHASCH5 \
  | 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: a9f640663b02de5fa214191cb382423f4117c2db60f25dac49e9854c2c946685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "733a4ad40d02f9d629cd79db52fdf5c5014e75dda096cef878cdc9015afeb405",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-09-30T09:13:48Z",
    "title_canon_sha256": "97e8f3501ee5d4c5ef81f0871aa4c2c3cac2a982966a8666cae8001890e18d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.25983",
    "kind": "arxiv",
    "version": 3
  }
}