Pith Number

pith:2UWATU7E

pith:2010:2UWATU7EQPDEX4ARHTKEUZEUY6

not attested not anchored not stored refs pending

A two-dimensional model of low-Reynolds number swimming beneath a free surface

A. E. Hosoi, Darren Crowdy, Eric Lauga, Ophir Samson, Sungyon Lee

arxiv:1003.4461 v1 · 2010-03-23 · physics.flu-dyn · cond-mat.soft · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2UWATU7EQPDEX4ARHTKEUZEUY6}

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	2026-05-18T02:24:27.028534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d52c09d3e483c64bf0113cd44a6494c7a249480c89a08ad1cd88dff6938b18b4

Aliases

arxiv: 1003.4461 · arxiv_version: 1003.4461v1 · doi: 10.48550/arxiv.1003.4461 · pith_short_12: 2UWATU7EQPDE · pith_short_16: 2UWATU7EQPDEX4AR · pith_short_8: 2UWATU7E

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/2UWATU7EQPDEX4ARHTKEUZEUY6 \
  | 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: d52c09d3e483c64bf0113cd44a6494c7a249480c89a08ad1cd88dff6938b18b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94157fad6244f2a9ce9bcc4dde32e4332e63daaf38d2f94142b4a44eafad1e2d",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2010-03-23T16:41:19Z",
    "title_canon_sha256": "de743112a8d26d78756fd813ba5b599d260bc671da60565a4f8ed80e194fbf19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4461",
    "kind": "arxiv",
    "version": 1
  }
}