Pith Number

pith:5PWKO2SM

pith:2014:5PWKO2SMMLOFSVK6BRKRGK7HDT

not attested not anchored not stored refs pending

Generalization of Zernike polynomials for regular portions of circles and ellipses

Ester P\'erez Sinus\'ia, Jos\'e A. D\'iaz, Jos\'e L. L\'opez, Rafael Navarro

arxiv:1405.3434 v1 · 2014-05-14 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PWKO2SMMLOFSVK6BRKRGK7HDT}

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	2026-05-18T01:43:12.718150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebeca76a4c62dc59555e0c55132be71ce8f232404df6627dbe13cd3fd64c91dc

Aliases

arxiv: 1405.3434 · arxiv_version: 1405.3434v1 · doi: 10.48550/arxiv.1405.3434 · pith_short_12: 5PWKO2SMMLOF · pith_short_16: 5PWKO2SMMLOFSVK6 · pith_short_8: 5PWKO2SM

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/5PWKO2SMMLOFSVK6BRKRGK7HDT \
  | 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: ebeca76a4c62dc59555e0c55132be71ce8f232404df6627dbe13cd3fd64c91dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f77dee869f31a6683ce43566f1c107c4183b3d90994cb3d3450b709f03ac18e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-05-14T10:12:35Z",
    "title_canon_sha256": "30eb425ea48387390efc003a72e83a11553e73ab3900ca4d18c4cba15b15f6cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3434",
    "kind": "arxiv",
    "version": 1
  }
}