Pith Number

pith:F4ZSN42I

pith:2015:F4ZSN42IDAOYCR3DJB622TERQC

not attested not anchored not stored refs pending

Sedimentation of finite-size spheres in quiescent and turbulent environments

Francesco Picano, Luca Brandt, Walter Fornari

arxiv:1503.06148 v2 · 2015-03-16 · 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{F4ZSN42IDAOYCR3DJB622TERQC}

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	2026-05-18T01:16:51.044555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f3326f348181d814763487dad4c91809d4ba5165e11b940a88927443850d967

Aliases

arxiv: 1503.06148 · arxiv_version: 1503.06148v2 · doi: 10.48550/arxiv.1503.06148 · pith_short_12: F4ZSN42IDAOY · pith_short_16: F4ZSN42IDAOYCR3D · pith_short_8: F4ZSN42I

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/F4ZSN42IDAOYCR3DJB622TERQC \
  | 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: 2f3326f348181d814763487dad4c91809d4ba5165e11b940a88927443850d967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983399749b5815983af3d36dda53a65fc3559745ea03dd7c0f472dd5062b5105",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-03-16T16:45:41Z",
    "title_canon_sha256": "d9c3fd274331a639b783cab09da37676f875c3bf4edbd1de89d80b510971420b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06148",
    "kind": "arxiv",
    "version": 2
  }
}