Pith Number

pith:ZK3AMLHV

pith:2007:ZK3AMLHVYRZRH2JHGZWMPYUSSO

not attested not anchored not stored refs pending

Microbubbly drag reduction in Taylor-Couette flow in the wavy vortex regime

Detlef Lohse, Enrico Calzavarini, Kazuyasu Sugiyama

arxiv:physics/0703100 v2 · 2007-03-08 · physics.flu-dyn · nlin.CD

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

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	2026-05-18T01:38:04.659847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cab6062cf5c47313e927366cc7e29293ba0a3bb1dae19dabb342b82f16521d9f

Aliases

arxiv: physics/0703100 · arxiv_version: physics/0703100v2 · doi: 10.48550/arxiv.physics/0703100 · pith_short_12: ZK3AMLHVYRZR · pith_short_16: ZK3AMLHVYRZRH2JH · pith_short_8: ZK3AMLHV

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/ZK3AMLHVYRZRH2JHGZWMPYUSSO \
  | 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: cab6062cf5c47313e927366cc7e29293ba0a3bb1dae19dabb342b82f16521d9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec64a87dc12bf895b952276a6b33a9764eebc638152f004bd66e6736d486d2d0",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2007-03-08T16:49:28Z",
    "title_canon_sha256": "3aa0a8114e0540c23374f6573509947c43ee3ca0df80ab58f81a705f8a6534dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0703100",
    "kind": "arxiv",
    "version": 2
  }
}