Pith Number

pith:WKW5UH2H

pith:2015:WKW5UH2HFYTU4JR32K2QOSXKCX

not attested not anchored not stored refs pending

Dynamic curvature regulation accounts for the symmetric and asymmetric beats of Chlamydomonas flagella

Andre Scholich, Frank J\"ulicher, Jonathon Howard, Pablo Sartori, Veikko Geyer

arxiv:1511.04270 v1 · 2015-11-13 · physics.bio-ph · q-bio.CB · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKW5UH2HFYTU4JR32K2QOSXKCX}

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	2026-05-18T01:26:59.248544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2adda1f472e274e263bd2b5074aea15c633be6bc9d4815759eeddd7c8706d66

Aliases

arxiv: 1511.04270 · arxiv_version: 1511.04270v1 · doi: 10.48550/arxiv.1511.04270 · pith_short_12: WKW5UH2HFYTU · pith_short_16: WKW5UH2HFYTU4JR3 · pith_short_8: WKW5UH2H

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/WKW5UH2HFYTU4JR32K2QOSXKCX \
  | 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: b2adda1f472e274e263bd2b5074aea15c633be6bc9d4815759eeddd7c8706d66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b8a2d4fc4ee45433697d323235a1c58cd7fb8556a3f04e5766cf7e7f9af31f1",
    "cross_cats_sorted": [
      "q-bio.CB",
      "q-bio.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2015-11-13T13:00:50Z",
    "title_canon_sha256": "cc4d24021e4dca6d4c9165ece1e97026c47f7b3b66dda49827a58262a6f61ee1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04270",
    "kind": "arxiv",
    "version": 1
  }
}