Pith Number

pith:CLL77DZ3

pith:2022:CLL77DZ3UEAZU3E75GQMPWTJY2

not attested not anchored not stored refs pending

Galaxy populations in the Hydra I cluster from the VEGAS survey II. The ultra-diffuse galaxy population

Aku Venhola, Antonio La Marca, Chiara Spiniello, Duncan A. Forbes, Enrichetta Iodice, Giuseppe D'Ago, Laura Greggio, Magda Arnaboldi, Marco Mirabile, Maria Angela Raj, Marilena Spavone, Marina Rejkuba, Maurizio Paolillo, Michael Hilker, Michele Cantiello, Nelvy Choque Challapa, Pietro Schipani, Reynier Peletier, Roberto Rampazzo, Rossella Ragusa, Steffen Mieske

arxiv:2206.07385 v1 · 2022-06-15 · 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{CLL77DZ3UEAZU3E75GQMPWTJY2}

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	2026-07-05T04:59:25.679541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12d7ff8f3ba1019a6c9fe9a0c7da69c69d03eb3c02ed55e6cd279c8e7678cf13

Aliases

arxiv: 2206.07385 · arxiv_version: 2206.07385v1 · doi: 10.48550/arxiv.2206.07385 · pith_short_12: CLL77DZ3UEAZ · pith_short_16: CLL77DZ3UEAZU3E7 · pith_short_8: CLL77DZ3

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/CLL77DZ3UEAZU3E75GQMPWTJY2 \
  | 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: 12d7ff8f3ba1019a6c9fe9a0c7da69c69d03eb3c02ed55e6cd279c8e7678cf13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72f17d0512b59aef1a246b322b5401afc1bdbc1e9eda4036a6a1bd81a59292ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-06-15T08:47:56Z",
    "title_canon_sha256": "4ef4ae22e63724fe1dab5e9680d9a322ac1434213b60c31f5f4d4e38a181de01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.07385",
    "kind": "arxiv",
    "version": 1
  }
}