Pith Number

pith:AUUPJAXZ

pith:2018:AUUPJAXZL6OSIBQSNZ5RV22DCO

not attested not anchored not stored refs pending

Radio Galaxy Zoo: Compact and extended radio source classification with deep learning

B. Simmons, J.K. Banfield, L. Rudnick, M. Br\"uggen, O.I. Wong, R.P. Norris, V. Lukic

arxiv:1801.04861 v1 · 2018-01-15 · 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{AUUPJAXZL6OSIBQSNZ5RV22DCO}

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	2026-05-18T00:24:11.490969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0528f482f95f9d2406126e7b1aeb431384a814ae0fe62bbac521283af67273a1

Aliases

arxiv: 1801.04861 · arxiv_version: 1801.04861v1 · doi: 10.48550/arxiv.1801.04861 · pith_short_12: AUUPJAXZL6OS · pith_short_16: AUUPJAXZL6OSIBQS · pith_short_8: AUUPJAXZ

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/AUUPJAXZL6OSIBQSNZ5RV22DCO \
  | 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: 0528f482f95f9d2406126e7b1aeb431384a814ae0fe62bbac521283af67273a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6af14e757ec31f9628902eebe25f0cbf62f54b11ecf3b26e26b2c81548a390d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-01-15T16:23:03Z",
    "title_canon_sha256": "62fe9f6eb16d0445c76edd222e94bfd4e42d6d97ea3c4cc827670adea0990b45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04861",
    "kind": "arxiv",
    "version": 1
  }
}