Pith Number

pith:U5YP6LEJ

pith:2013:U5YP6LEJK5JOUF775IZUXQCLTL

not attested not anchored not stored refs pending

Symmetry breaking cilia-driven flow in the zebrafish embryo

Andrew A. Smith, David J. Smith, John R. Blake, Thomas D. Johnson

arxiv:1309.1303 v1 · 2013-09-05 · physics.flu-dyn · cond-mat.soft · physics.bio-ph · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5YP6LEJK5JOUF775IZUXQCLTL}

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	2026-05-18T03:14:07.675120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a770ff2c895752ea17ffea334bc04b9acfb168bc2eff66b17d1dc822fd392de6

Aliases

arxiv: 1309.1303 · arxiv_version: 1309.1303v1 · doi: 10.48550/arxiv.1309.1303 · pith_short_12: U5YP6LEJK5JO · pith_short_16: U5YP6LEJK5JOUF77 · pith_short_8: U5YP6LEJ

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/U5YP6LEJK5JOUF775IZUXQCLTL \
  | 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: a770ff2c895752ea17ffea334bc04b9acfb168bc2eff66b17d1dc822fd392de6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "933502f7924a07d96d85d85f753980ccc8483b7ae07f4e52cd3d495081dd46be",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.bio-ph",
      "q-bio.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-09-05T10:30:02Z",
    "title_canon_sha256": "c7124184ca8cdb86541a3f5b98e53e85fdf2687d3d9dd7a50c28fb4649de30de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1303",
    "kind": "arxiv",
    "version": 1
  }
}