Pith Number

pith:2KMUORVV

pith:2000:2KMUORVV2BGSRATM442UV2J3ON

not attested not anchored not stored refs pending

Radial Viscous Flow between Two Parallel Annular Plates

Kirk T. McDonald

arxiv:physics/0006067 v1 · 2000-06-26 · 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{2KMUORVV2BGSRATM442UV2J3ON}

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	2026-07-04T14:43:16.068047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2994746b5d04d28826ce7354ae93b7342d94281a5c609aae6596d18440554c7

Aliases

arxiv: physics/0006067 · arxiv_version: physics/0006067v1 · doi: 10.48550/arxiv.physics/0006067 · pith_short_12: 2KMUORVV2BGS · pith_short_16: 2KMUORVV2BGSRATM · pith_short_8: 2KMUORVV

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/2KMUORVV2BGSRATM442UV2J3ON \
  | 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: d2994746b5d04d28826ce7354ae93b7342d94281a5c609aae6596d18440554c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a26344082c96e0a19147ed6f79ce02c4d942a3da1720822339b9591cf308a1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2000-06-26T22:29:13Z",
    "title_canon_sha256": "0d7c22dfc95e860b4ba619e2a5868852a627ad13da82395f2cb53e32f83ae766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0006067",
    "kind": "arxiv",
    "version": 1
  }
}