Pith Number

pith:FEX3RTU4

pith:2020:FEX3RTU445LEK37XARVL7JCCYM

not attested not anchored not stored refs pending

Effect of gravitational settling on the collisions of small inertial particles with a sphere

Christoph Siewert, Jeremie Bec, Robin Vallee

arxiv:2009.03154 v1 · 2020-09-07 · 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{FEX3RTU445LEK37XARVL7JCCYM}

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	2026-07-05T01:33:29.584890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

292fb8ce9ce756456ff7046abfa442c327e06191d18d7f2b260a5a7ce047eddb

Aliases

arxiv: 2009.03154 · arxiv_version: 2009.03154v1 · doi: 10.48550/arxiv.2009.03154 · pith_short_12: FEX3RTU445LE · pith_short_16: FEX3RTU445LEK37X · pith_short_8: FEX3RTU4

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/FEX3RTU445LEK37XARVL7JCCYM \
  | 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: 292fb8ce9ce756456ff7046abfa442c327e06191d18d7f2b260a5a7ce047eddb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddc57a6a626f7db19c9f216cbf26a1687b9d54acad93a6e55bdf8038bbe8622f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2020-09-07T15:20:05Z",
    "title_canon_sha256": "c91ac69aae95bf52797e92abc4b765a02478a0b2ea79fbbf990427b924db83aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.03154",
    "kind": "arxiv",
    "version": 1
  }
}