Pith Number

pith:JHEUWR3L

pith:2012:JHEUWR3LUYV47Q3VLEH2HYILMX

not attested not anchored not stored refs pending

Feature Detection in Radio Astronomy using the Circle Hough Transform

Christopher Hollitt, Melanie Johnston-Hollitt

arxiv:1204.0382 v1 · 2012-04-02 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHEUWR3LUYV47Q3VLEH2HYILMX}

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	2026-05-18T03:58:49.431638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49c94b476ba62bcfc375590fa3e10b65e533c1ed477093401cb01a0fb740018d

Aliases

arxiv: 1204.0382 · arxiv_version: 1204.0382v1 · doi: 10.48550/arxiv.1204.0382 · pith_short_12: JHEUWR3LUYV4 · pith_short_16: JHEUWR3LUYV47Q3V · pith_short_8: JHEUWR3L

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/JHEUWR3LUYV47Q3VLEH2HYILMX \
  | 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: 49c94b476ba62bcfc375590fa3e10b65e533c1ed477093401cb01a0fb740018d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91d6794ba5d18a8353a9d67844dec07b959d0ac40beaea790169522b0fa53975",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-04-02T12:15:55Z",
    "title_canon_sha256": "87a5e5f21e408002ba8a31a6490c43b8f3553c8b79efcaf3c1d9d4ce26820b01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0382",
    "kind": "arxiv",
    "version": 1
  }
}