Pith Number

pith:HHAT5W5A

pith:2012:HHAT5W5AXJQWPHFKX2F3MBX3L7

not attested not anchored not stored refs pending

Hydrodynamic forces on steady and oscillating porous particles

Colin Denniston, Santtu T. T. Ollila, Tapio Ala-Nissila

arxiv:1211.0263 v1 · 2012-11-01 · 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{HHAT5W5AXJQWPHFKX2F3MBX3L7}

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	2026-05-18T03:41:42.565104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c13edba0ba61679caabe8bb606fb5fca13de2e8c49d51fd6aef2ae6fd55d20

Aliases

arxiv: 1211.0263 · arxiv_version: 1211.0263v1 · doi: 10.48550/arxiv.1211.0263 · pith_short_12: HHAT5W5AXJQW · pith_short_16: HHAT5W5AXJQWPHFK · pith_short_8: HHAT5W5A

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/HHAT5W5AXJQWPHFKX2F3MBX3L7 \
  | 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: 39c13edba0ba61679caabe8bb606fb5fca13de2e8c49d51fd6aef2ae6fd55d20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "140f447d6248201ab7fbae7f82c97cd80d0b5701889e5b21c54d07e0deb6805f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-11-01T19:35:44Z",
    "title_canon_sha256": "16a6568ec3e13cec8ab1ffd9212020fc08b0228aba3a206ecf24ec527e922110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0263",
    "kind": "arxiv",
    "version": 1
  }
}