Pith Number

pith:4KDNDBFP

pith:2010:4KDNDBFPO4HEOPZHUGUZ3CKYDX

not attested not anchored not stored refs pending

Drag reduction by polymer additives from turbulent spectra

Esteban Calzetta

arxiv:1005.0400 v3 · 2010-05-03 · physics.flu-dyn · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KDNDBFPO4HEOPZHUGUZ3CKYDX}

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	2026-05-18T02:07:43.365482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e286d184af770e473f27a1a99d89581df440a3523da033360bfaec771056d5d5

Aliases

arxiv: 1005.0400 · arxiv_version: 1005.0400v3 · doi: 10.48550/arxiv.1005.0400 · pith_short_12: 4KDNDBFPO4HE · pith_short_16: 4KDNDBFPO4HEOPZH · pith_short_8: 4KDNDBFP

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/4KDNDBFPO4HEOPZHUGUZ3CKYDX \
  | 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: e286d184af770e473f27a1a99d89581df440a3523da033360bfaec771056d5d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "195a8179cb812d1701eb17db14a5102a639311f3b9c1a77f54fb1bab63f8de36",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2010-05-03T20:52:36Z",
    "title_canon_sha256": "90b82718ad0e89581c90c358a53da5a6b7ee4b5d51f0482f775455583a548eee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0400",
    "kind": "arxiv",
    "version": 3
  }
}