Pith Number

pith:FQVWCIVP

pith:2009:FQVWCIVPDXWULPXAK4NZE4LB7A

not attested not anchored not stored refs pending

Fruit flies modulate passive wing pitching to generate in-flight turns

Attila J. Bergou, Itai Cohen, John Guckenheimer, Leif Ristroph, Z. Jane Wang

arxiv:0910.0671 v1 · 2009-10-05 · physics.bio-ph · 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{FQVWCIVPDXWULPXAK4NZE4LB7A}

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	2026-05-18T02:11:26.844173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2b6122af1ded45bee0571b927161f819bcff9fc0677b92577a372ce22bde7e

Aliases

arxiv: 0910.0671 · arxiv_version: 0910.0671v1 · doi: 10.48550/arxiv.0910.0671 · pith_short_12: FQVWCIVPDXWU · pith_short_16: FQVWCIVPDXWULPXA · pith_short_8: FQVWCIVP

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/FQVWCIVPDXWULPXAK4NZE4LB7A \
  | 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: 2c2b6122af1ded45bee0571b927161f819bcff9fc0677b92577a372ce22bde7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ce0dc17f3b920e7c427c3e1e7aef0a58de84a0734750d20aa1bf7e736064c04",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2009-10-05T04:02:08Z",
    "title_canon_sha256": "d42aac76b3e96c9dbfef58293b7fd5b3323ad903442b13ae343e5cabfc06522c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0671",
    "kind": "arxiv",
    "version": 1
  }
}