Pith Number

pith:UUIDMTAZ

pith:2025:UUIDMTAZCPIHH6OGTO3GD2UE45

not attested not anchored not stored refs pending

Reconsiderations about inner layer of wall-bounded flows

Hassan Nagib

arxiv:2505.18718 v1 · 2025-05-24 · 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{UUIDMTAZCPIHH6OGTO3GD2UE45}

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	2026-07-05T11:09:18.470745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a510364c1913d073f9c69bb661ea84e7569a29981b3f16a7b011d34e65ab18ec

Aliases

arxiv: 2505.18718 · arxiv_version: 2505.18718v1 · doi: 10.48550/arxiv.2505.18718 · pith_short_12: UUIDMTAZCPIH · pith_short_16: UUIDMTAZCPIHH6OG · pith_short_8: UUIDMTAZ

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/UUIDMTAZCPIHH6OGTO3GD2UE45 \
  | 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: a510364c1913d073f9c69bb661ea84e7569a29981b3f16a7b011d34e65ab18ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28b83a657da0d6bb358c1e7b3634782dbfa410afe675e0afffe8c5296bb38481",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-05-24T14:42:21Z",
    "title_canon_sha256": "cd05d9dfc8fdb9bf0e12f6e10bb51a2667aa0faa3fd1a1eef0254ced764e2568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.18718",
    "kind": "arxiv",
    "version": 1
  }
}