Pith Number

pith:IDISZMK4

pith:2016:IDISZMK46LX43HB4BQV3IQNGYC

not attested not anchored not stored refs pending

Vortex arrays and ciliary tangles underlie the feeding-swimming tradeoff in starfish larvae

Manu Prakash, Vivek N. Prakash, William Gilpin

arxiv:1611.01173 v2 · 2016-11-03 · physics.flu-dyn · physics.bio-ph · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDISZMK46LX43HB4BQV3IQNGYC}

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	2026-05-18T00:50:56.432947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40d12cb15cf2efcd9c3c0c2bb441a6c091db2d8da2e3fce392fde149835e4e4c

Aliases

arxiv: 1611.01173 · arxiv_version: 1611.01173v2 · doi: 10.48550/arxiv.1611.01173 · pith_short_12: IDISZMK46LX4 · pith_short_16: IDISZMK46LX43HB4 · pith_short_8: IDISZMK4

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/IDISZMK46LX43HB4BQV3IQNGYC \
  | 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: 40d12cb15cf2efcd9c3c0c2bb441a6c091db2d8da2e3fce392fde149835e4e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7a09075d2ba81b518b41a8f52e7a0eaddb40b27ba6c9a8d72566aecf8ea9618",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2016-11-03T20:10:14Z",
    "title_canon_sha256": "73c8294bdd18d88c914a8844169f39cf46d75fb83ae40a624ae446758dbb4576"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01173",
    "kind": "arxiv",
    "version": 2
  }
}