Pith Number

pith:4U74DVZF

pith:2015:4U74DVZFUGV4223W7C5OJNT257

not attested not anchored not stored refs pending

On the estimation of time dependent lift of a European Starling during flapping

Adam J. Kirchhefer, Alex Liberzon, Christoper G. Guglielmo, Gregory A. Kopp, Hadar Ben-Gida, Oksana Stalnov, Roi Gurka

arxiv:1503.00166 v1 · 2015-02-28 · 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{4U74DVZFUGV4223W7C5OJNT257}

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	2026-05-18T01:20:36.796410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e53fc1d725a1abcd6b76f8bae4b67aeff96a1997a2d95c6d545822326c0e3e26

Aliases

arxiv: 1503.00166 · arxiv_version: 1503.00166v1 · doi: 10.48550/arxiv.1503.00166 · pith_short_12: 4U74DVZFUGV4 · pith_short_16: 4U74DVZFUGV4223W · pith_short_8: 4U74DVZF

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/4U74DVZFUGV4223W7C5OJNT257 \
  | 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: e53fc1d725a1abcd6b76f8bae4b67aeff96a1997a2d95c6d545822326c0e3e26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64ddacf00d1aec1fccea9baadca4126ed5ff732842d7d76b7fa291b026def965",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-02-28T18:56:48Z",
    "title_canon_sha256": "5cb4cc0db1a727abad0c4a37abd3c488b0a816bdab064ff7ce6b91491cea2cd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00166",
    "kind": "arxiv",
    "version": 1
  }
}