Pith Number

pith:NKZIE2DI

pith:2025:NKZIE2DIW2IPIRFEKQ7SHNL5XQ

not attested not anchored not stored refs pending

Spectral analysis of attached and separated turbulent flows over a Gaussian-shaped bump

Georgios Rigas, Jakob G. R. von Saldern, Kilian Oberleithner, Lukas M. Fuchs, Roman Klopsch

arxiv:2512.13582 v2 · 2025-12-15 · 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{NKZIE2DIW2IPIRFEKQ7SHNL5XQ}

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	2026-06-12T01:08:19.590586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab2826868b690f444a4543f23b57dbc3ca79f71b6e4812889fc2eb0de08ad9d

Aliases

arxiv: 2512.13582 · arxiv_version: 2512.13582v2 · doi: 10.48550/arxiv.2512.13582 · pith_short_12: NKZIE2DIW2IP · pith_short_16: NKZIE2DIW2IPIRFE · pith_short_8: NKZIE2DI

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/NKZIE2DIW2IPIRFEKQ7SHNL5XQ \
  | 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: 6ab2826868b690f444a4543f23b57dbc3ca79f71b6e4812889fc2eb0de08ad9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca22db1c9e973c4b3462fc9c54d3b2a2de0b49a7d628ed313bb6fb393cbcef52",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-12-15T17:36:29Z",
    "title_canon_sha256": "5ec4e6f1366ee6ede4c31dee5359f84cbfea1855a494c90cd3862aef9a6661eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.13582",
    "kind": "arxiv",
    "version": 2
  }
}