Pith Number

pith:QPRQWRCX

pith:2009:QPRQWRCXFVNBR6VZSJTYJPJRDQ

not attested not anchored not stored refs pending

Finite-size effects in the dynamics of neutrally buoyant particles in turbulent flow

Holger Homann, Jeremie Bec

arxiv:0909.5628 v1 · 2009-09-30 · 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{QPRQWRCXFVNBR6VZSJTYJPJRDQ}

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	2026-05-18T00:44:03.815024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e30b44572d5a18fab9926784bd311c2ee3f6496a813e2a59577775c380e04c

Aliases

arxiv: 0909.5628 · arxiv_version: 0909.5628v1 · doi: 10.48550/arxiv.0909.5628 · pith_short_12: QPRQWRCXFVNB · pith_short_16: QPRQWRCXFVNBR6VZ · pith_short_8: QPRQWRCX

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/QPRQWRCXFVNBR6VZSJTYJPJRDQ \
  | 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: 83e30b44572d5a18fab9926784bd311c2ee3f6496a813e2a59577775c380e04c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "861d375c404da8f205e980196b666c445c1a982e52e62997c8fd672c26afd45c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-09-30T14:56:14Z",
    "title_canon_sha256": "2c2d68d722ae20a7a9960f041e44ccdce4b96c569c873712cdcf78adcba8de16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5628",
    "kind": "arxiv",
    "version": 1
  }
}