Pith Number

pith:L3LZODTR

pith:2025:L3LZODTRXHEDSILQGGVAEHV2JO

not attested not anchored not stored refs pending

Candidate Dark Galaxy-2: Validation and Analysis of an Almost Dark Galaxy in the Perseus Cluster

Aaron Romanowsky, Alex Stringer, Dayi Li, Francine Marleau, Gwendolyn Eadie, Patrick Brown, Pieter van Dokkum, Qing Liu, Roberto Abraham, Shany Danieli, William Harris

arxiv:2506.15644 v1 · 2025-06-18 · astro-ph.GA · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3LZODTRXHEDSILQGGVAEHV2JO}

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	2026-07-05T11:23:47.580288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ed7970e71b9c839217031aa021eba4ba0c978a3a52d21ec4cf42bcb1acab411

Aliases

arxiv: 2506.15644 · arxiv_version: 2506.15644v1 · doi: 10.48550/arxiv.2506.15644 · pith_short_12: L3LZODTRXHED · pith_short_16: L3LZODTRXHEDSILQ · pith_short_8: L3LZODTR

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/L3LZODTRXHEDSILQGGVAEHV2JO \
  | 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: 5ed7970e71b9c839217031aa021eba4ba0c978a3a52d21ec4cf42bcb1acab411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1284c36a8c7de8e3aa8fd044c37bf4ad2cfcca2670dc1cf45d11beca96f9fee2",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-18T17:14:02Z",
    "title_canon_sha256": "7b62295672d9be4da1c75a41de17c9fdb377f3d75b8f10998cc1ab17bc4ee5f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.15644",
    "kind": "arxiv",
    "version": 1
  }
}