Pith Number

pith:H4P4CJSG

pith:2009:H4P4CJSGU4XOR3DXPVHQSLMXY2

not attested not anchored not stored refs pending

Topology and shape optimization of induced-charge electro-osmotic micropumps

Fridolin Okkels, Henrik Bruus, Martin Z. Bazant, Misha Marie Gregersen

arxiv:0901.1788 v1 · 2009-01-13 · 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{H4P4CJSGU4XOR3DXPVHQSLMXY2}

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	2026-05-18T04:10:10.831509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f1fc12646a72ee8ec777d4f092d97c68a2d65193904e9f41f05606aec5ba1b7

Aliases

arxiv: 0901.1788 · arxiv_version: 0901.1788v1 · doi: 10.48550/arxiv.0901.1788 · pith_short_12: H4P4CJSGU4XO · pith_short_16: H4P4CJSGU4XOR3DX · pith_short_8: H4P4CJSG

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/H4P4CJSGU4XOR3DXPVHQSLMXY2 \
  | 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: 3f1fc12646a72ee8ec777d4f092d97c68a2d65193904e9f41f05606aec5ba1b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "737dfd0d62c2bc7de7687f85f2437f5f6f8187292c35861b243244a03ae848bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-01-13T14:12:45Z",
    "title_canon_sha256": "0bfc13b6a4e544f9473a5bcf048c673977ba2c2da529e4747e1716c8b52d9c56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1788",
    "kind": "arxiv",
    "version": 1
  }
}