Pith Number

pith:BYZFRBLW

pith:2025:BYZFRBLWKD627XNJ2QAWPEFDC6

not attested not anchored not stored refs pending

Compressible boundary layers over isotropic porous surfaces

Ludovico Foss\`a, Pierre Ricco

arxiv:2508.10422 v1 · 2025-08-14 · physics.flu-dyn · physics.app-ph · physics.comp-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{BYZFRBLWKD627XNJ2QAWPEFDC6}

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	2026-07-05T11:53:55.876452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3258857650fdafdda9d4016790a317a236b46b6f798001b15b5a206ac3ab28

Aliases

arxiv: 2508.10422 · arxiv_version: 2508.10422v1 · doi: 10.48550/arxiv.2508.10422 · pith_short_12: BYZFRBLWKD62 · pith_short_16: BYZFRBLWKD627XNJ · pith_short_8: BYZFRBLW

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/BYZFRBLWKD627XNJ2QAWPEFDC6 \
  | 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: 0e3258857650fdafdda9d4016790a317a236b46b6f798001b15b5a206ac3ab28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0902553353ecf4640a064815fdcb136a77b7acb260eecfad0136b739b8077c8",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-08-14T07:53:45Z",
    "title_canon_sha256": "2373352ae089ab4ccd8b7a8770a555f5383c701dd40506a6443dc74d749db3fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.10422",
    "kind": "arxiv",
    "version": 1
  }
}