Pith Number

pith:DUY7R7RY

pith:2006:DUY7R7RY5QCPBKJB72NPWWET6N

not attested not anchored not stored refs pending

Simple Viscous Flows: from Boundary Layers to the Renormalization Group

John Veysey, Nigel Goldenfeld (University of Illinois at Urbana-Champaign)

arxiv:physics/0609138 v2 · 2006-09-15 · physics.flu-dyn · cond-mat.soft · 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{DUY7R7RY5QCPBKJB72NPWWET6N}

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	2026-07-04T17:02:46.780701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d31f8fe38ec04f0a921fe9afb5893f35d16c7f99a6d93c90e6898e45b3f2187

Aliases

arxiv: physics/0609138 · arxiv_version: physics/0609138v2 · doi: 10.48550/arxiv.physics/0609138 · pith_short_12: DUY7R7RY5QCP · pith_short_16: DUY7R7RY5QCPBKJB · pith_short_8: DUY7R7RY

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/DUY7R7RY5QCPBKJB72NPWWET6N \
  | 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: 1d31f8fe38ec04f0a921fe9afb5893f35d16c7f99a6d93c90e6898e45b3f2187

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cc6e9f0faefd304822842be432643933435a75bcf19e5a285d23f8ae6f059af",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "math.AP"
    ],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2006-09-15T13:41:39Z",
    "title_canon_sha256": "30de5cd150622703806b2c20d59c079988da57c9aabd644959c932bb4cc3d8c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0609138",
    "kind": "arxiv",
    "version": 2
  }
}