Pith Number

pith:HF3KAAP6

pith:2014:HF3KAAP6HRFHIHE6YF2BZK7BNH

not attested not anchored not stored refs pending

Cilia beating patterns are not hydrodynamically optimal

Eva Kanso, Hanliang Guo, Janna Nawroth, Yang Ding

arxiv:1403.8079 v2 · 2014-03-31 · 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{HF3KAAP6HRFHIHE6YF2BZK7BNH}

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	2026-05-18T01:43:43.707585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3976a001fe3c4a741c9ec1741cabe169d88fe156cadf67eae0449f9fd8a0839a

Aliases

arxiv: 1403.8079 · arxiv_version: 1403.8079v2 · doi: 10.48550/arxiv.1403.8079 · pith_short_12: HF3KAAP6HRFH · pith_short_16: HF3KAAP6HRFHIHE6 · pith_short_8: HF3KAAP6

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/HF3KAAP6HRFHIHE6YF2BZK7BNH \
  | 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: 3976a001fe3c4a741c9ec1741cabe169d88fe156cadf67eae0449f9fd8a0839a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b23e7803a48cb3083006f3673b1f77df1046e0fbbfd289da66020832713a6f54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-03-31T16:38:38Z",
    "title_canon_sha256": "9dd5527c17bc9a1531b38a2fd4a89994e7a710e93d6f95dfc50ab2fd523b281e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.8079",
    "kind": "arxiv",
    "version": 2
  }
}