Pith Number

pith:L27K3NT7

pith:2015:L27K3NT7BWVLRUEKAOUX6ACD47

not attested not anchored not stored refs pending

Radio Galaxy Zoo: host galaxies and radio morphologies derived from visual inspection

A.D. Kapinska, A. Garon, A.R. Lopez-Sanchez, B.D. Simmons, C.J. Lintott, C. Snyder, E. Middelberg, E. Paget, G. Cotter, H. Andernach, H.R. Klockner, I. Heywood, J.K. Banfield, K. Borden, K.E. Chow, K. Jacob, K.L. Masters, K. Polsterer, K. Schawinski, K.W. Willett, L. Fortson, L. Rudnick, L. Whyte, M.J. Jarvis, M.Y. Mao, N. Seymour, O.I. Wong, R.P. Hollow, R.P. Norris, R. Simpson, S. Bamford, S. Kaviraj, S.S. Shabala, T. Burchell, T.W. Jones, W.P. Maksym

arxiv:1507.07272 v1 · 2015-07-27 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L27K3NT7BWVLRUEKAOUX6ACD47}

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	2026-05-18T01:36:16.774330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ebeadb67f0daab8d08a03a97f0043e7ea1b4b0f07730f4c03f35accd17ba962

Aliases

arxiv: 1507.07272 · arxiv_version: 1507.07272v1 · doi: 10.48550/arxiv.1507.07272 · pith_short_12: L27K3NT7BWVL · pith_short_16: L27K3NT7BWVLRUEK · pith_short_8: L27K3NT7

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/L27K3NT7BWVLRUEKAOUX6ACD47 \
  | 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: 5ebeadb67f0daab8d08a03a97f0043e7ea1b4b0f07730f4c03f35accd17ba962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a2aa3ec15251402dc6596cce994c4101800a738314365b272a728d6c0a65e88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-27T00:49:43Z",
    "title_canon_sha256": "ff592670c1ee934203cc929c02a804e7e2cc988b96586e4eb3fce424a6db09f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07272",
    "kind": "arxiv",
    "version": 1
  }
}