Pith Number

pith:F6M33FT5

pith:2023:F6M33FT5BFBZH34BVHJB36UXC6

not attested not anchored not stored refs pending

Radio Galaxy Zoo EMU: Towards a Semantic Radio Galaxy Morphology Taxonomy

Alexander Drabent, Andrew M. Hopkins, Anna M. M. Scaife, Denis A. Leahy, Eleni Vardoulaki, Elizabeth A. K. Adams, Emma L. Alexander, Eric F. Jimenez-Andrade, Fiona Porter, Gary Segal, G\"ulay G\"urkan, Hongming Tang, Inigo Val Slijepcevic, Lawrence Rudnick, Micah Bowles, Mike Walmsley, O. Ivy Wong, Ray P. Norris, Stanislav S. Shabala, Syed Faisal Ur Rahman, Thomas Dugdale, Xichang Ouyang, Yan Luo

arxiv:2304.07171 v1 · 2023-04-14 · astro-ph.GA · 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{F6M33FT5BFBZH34BVHJB36UXC6}

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	2026-07-05T06:01:06.375475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f99bd967d094393ef81a9d21dfa9717a3520af7e872ac0e970929894e1edfbf

Aliases

arxiv: 2304.07171 · arxiv_version: 2304.07171v1 · doi: 10.48550/arxiv.2304.07171 · pith_short_12: F6M33FT5BFBZ · pith_short_16: F6M33FT5BFBZH34B · pith_short_8: F6M33FT5

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/F6M33FT5BFBZH34BVHJB36UXC6 \
  | 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: 2f99bd967d094393ef81a9d21dfa9717a3520af7e872ac0e970929894e1edfbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ca73e97f0396924afec6c53003654947b4a8eea374764ff758ef33ba97b14c7",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-04-14T14:41:43Z",
    "title_canon_sha256": "bdba4357f8cf420449a3b098b9c3796d9474c9bd8d67250032090b5257fca786"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.07171",
    "kind": "arxiv",
    "version": 1
  }
}