Pith Number

pith:ZGC5TV7C

pith:2014:ZGC5TV7CGIJAA4IWEROONG2CUN

not attested not anchored not stored refs pending

Four-winged flapping flyer in forward flight

Alexis Weinreb, Benjamin Thiria, Mariana Centeno, Prasann Jain, Ramiro Godoy-Diana

arxiv:1501.00050 v1 · 2014-12-31 · 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{ZGC5TV7CGIJAA4IWEROONG2CUN}

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	2026-05-18T00:34:00.422537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c985d9d7e23212007116245ce69b42a34b0b083069eb3fa80fdafd51e7afc3b7

Aliases

arxiv: 1501.00050 · arxiv_version: 1501.00050v1 · doi: 10.48550/arxiv.1501.00050 · pith_short_12: ZGC5TV7CGIJA · pith_short_16: ZGC5TV7CGIJAA4IW · pith_short_8: ZGC5TV7C

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/ZGC5TV7CGIJAA4IWEROONG2CUN \
  | 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: c985d9d7e23212007116245ce69b42a34b0b083069eb3fa80fdafd51e7afc3b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed33ea1661efb956af75e6567854386268030eeed0e34686a2c9e66352da36e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-12-31T00:18:41Z",
    "title_canon_sha256": "3e570871957fe2bf15b63e8421c48a08207c3cb2094030a92a4bdd6c264d66ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00050",
    "kind": "arxiv",
    "version": 1
  }
}