Pith Number

pith:YLPOOGHB

pith:2026:YLPOOGHBNDBEC4M7XVQ4N7V3DS

not attested not anchored not stored refs pending

Brinkman's term for the steady-state Navier-Stokes equations with prescribed flux rate or pressure drop in perforated pipes

Amina Mecherbet, Gianmarco Sperone, Richard M. H\"ofer

arxiv:2608.03672 v1 · 2026-08-04 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YLPOOGHBNDBEC4M7XVQ4N7V3DS}

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	2026-08-05T01:36:51.679546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2dee718e168c241719fbd61c6febb1ca3a70266f786fec26a068ba290fbdc7c

Aliases

arxiv: 2608.03672 · arxiv_version: 2608.03672v1 · doi: 10.48550/arxiv.2608.03672 · pith_short_12: YLPOOGHBNDBE · pith_short_16: YLPOOGHBNDBEC4M7 · pith_short_8: YLPOOGHB

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/YLPOOGHBNDBEC4M7XVQ4N7V3DS \
  | 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: c2dee718e168c241719fbd61c6febb1ca3a70266f786fec26a068ba290fbdc7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cb7b28c3a60ddae5b3d16baf84004179985769e7df618d8803f87bce5b3d64e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-08-04T13:49:09Z",
    "title_canon_sha256": "645440f23a64bb8e95a829c9947f97e149654337cc20da750da6faf3bd16ad41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03672",
    "kind": "arxiv",
    "version": 1
  }
}