Pith Number

pith:VT4WYOC7

pith:2011:VT4WYOC7BCPCQLKTQKUFLU7VSO

not attested not anchored not stored refs pending

Simple model squirmers with tunable velocity

Ralf Seemann, Shashi Thutupalli, Stephan Herminghaus

arxiv:1103.5425 v1 · 2011-03-28 · cond-mat.soft · physics.bio-ph · 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{VT4WYOC7BCPCQLKTQKUFLU7VSO}

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	2026-05-18T04:25:38.069557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acf96c385f089e282d5382a855d3f59398895a080e665dfd62bfe9d0827606a7

Aliases

arxiv: 1103.5425 · arxiv_version: 1103.5425v1 · doi: 10.48550/arxiv.1103.5425 · pith_short_12: VT4WYOC7BCPC · pith_short_16: VT4WYOC7BCPCQLKT · pith_short_8: VT4WYOC7

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/VT4WYOC7BCPCQLKTQKUFLU7VSO \
  | 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: acf96c385f089e282d5382a855d3f59398895a080e665dfd62bfe9d0827606a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fdaf70e98127d7fab16047982523ef6d68bcc72a0a92dd45b8ee67b51c3ce7e",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2011-03-28T17:36:55Z",
    "title_canon_sha256": "727f5a2055e13797a14434c155a6d114344061c89802eab56445b6a7cd325178"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5425",
    "kind": "arxiv",
    "version": 1
  }
}