Pith Number

pith:Q33COOJY

pith:2011:Q33COOJYZPTH3AXYC34AH4FJBR

not attested not anchored not stored refs pending

Chemotactic Maneuverability of Sperm

Jeffrey A. Riffell, Jeffrey S. Guasto, Richard K. Zimmer, Roman Stocker

arxiv:1110.2835 v1 · 2011-10-13 · physics.flu-dyn · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q33COOJYZPTH3AXYC34AH4FJBR}

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	2026-05-18T04:11:06.885268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f6273938cbe67d82f816f803f0a90c57f2a414cde89ba8f20bed6f605a0a11

Aliases

arxiv: 1110.2835 · arxiv_version: 1110.2835v1 · doi: 10.48550/arxiv.1110.2835 · pith_short_12: Q33COOJYZPTH · pith_short_16: Q33COOJYZPTH3AXY · pith_short_8: Q33COOJY

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/Q33COOJYZPTH3AXYC34AH4FJBR \
  | 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: 86f6273938cbe67d82f816f803f0a90c57f2a414cde89ba8f20bed6f605a0a11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1caa784b508bdb14cca59dd2be9cb15e1e57186ae9ddd1f8913bcd902c94217",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2011-10-13T04:20:51Z",
    "title_canon_sha256": "47fddb01dc38aeec45fcf0e04545151acad89a81c407baee7e1a4c861467f802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2835",
    "kind": "arxiv",
    "version": 1
  }
}