Pith Number

pith:NH72U3MM

pith:2023:NH72U3MMRZI2EG34KJWSDIG4ZZ

not attested not anchored not stored refs pending

Ultra diffuse galaxies in the Hydra I cluster from the LEWIS Project: Phase-Space distribution and globular cluster richness

Antonio La Marca, Chiara Buttitta, Chiara Spiniello, Duncan Forbes, Enrichetta Iodice, G. D'Ago, Giulio Capasso, Goran Doll, Jesus Falcon Barroso, Johanna Hartke, Jonah Gannon, Laura Greggio, Magda Arnaboldi, Marco Gullieuszik, Marco Mirabile, Marilena Spavone, Marina Rejkuba, Michael Hilker, Michele Cantiello, Roberto Rampazzo, Steffen Mieske

arxiv:2308.11496 v1 · 2023-08-22 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NH72U3MMRZI2EG34KJWSDIG4ZZ}

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	2026-07-05T06:43:35.731001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ffaa6d8c8e51a21b7c526d21a0dcce7f252439079190243df67cf0ef43a760

Aliases

arxiv: 2308.11496 · arxiv_version: 2308.11496v1 · doi: 10.48550/arxiv.2308.11496 · pith_short_12: NH72U3MMRZI2 · pith_short_16: NH72U3MMRZI2EG34 · pith_short_8: NH72U3MM

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/NH72U3MMRZI2EG34KJWSDIG4ZZ \
  | 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: 69ffaa6d8c8e51a21b7c526d21a0dcce7f252439079190243df67cf0ef43a760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfcece0c30d56262f57ef4b9acc0ac358db0975385329681a0f791b66017bc3e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-08-22T15:18:11Z",
    "title_canon_sha256": "c77561278b9617bb7c060e1c54ba46a472615acb82d0adfd06cb847ad6907556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.11496",
    "kind": "arxiv",
    "version": 1
  }
}