Pith Number

pith:ACGPBXYD

pith:2025:ACGPBXYDO2UKOCNSN6QKCT46B3

not attested not anchored not stored refs pending

The XXL Survey LIV. X-ray Luminosity Function and Luminosity-Mass Relation of Optically Selected Galaxy Groups

A.S.G. Robotham, B. J. Maughan, C.Adami, C.Wood, D.Eckert, E. Koulouridis, F. Pacaud, J.P. Crossett, L. Faccioli, M.E. Ramos-Ceja, M.Pierre, S.L.McGee, S. Phillipps

arxiv:2502.04816 v1 · 2025-02-07 · astro-ph.CO · 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{ACGPBXYDO2UKOCNSN6QKCT46B3}

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	2026-07-05T10:10:57.670470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

008cf0df0376a8a709b26fa0a14f9e0ef4138db37d9e6a813d8af0c74df4006c

Aliases

arxiv: 2502.04816 · arxiv_version: 2502.04816v1 · doi: 10.48550/arxiv.2502.04816 · pith_short_12: ACGPBXYDO2UK · pith_short_16: ACGPBXYDO2UKOCNS · pith_short_8: ACGPBXYD

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/ACGPBXYDO2UKOCNSN6QKCT46B3 \
  | 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: 008cf0df0376a8a709b26fa0a14f9e0ef4138db37d9e6a813d8af0c74df4006c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a2ba175213c9d860585335e8f64cb937ca39625148d6645ebbd1fee959d1737",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-02-07T10:40:54Z",
    "title_canon_sha256": "9d80ac1a5178d82be43dfd230fe02d5e4a5e7c852e4d776049052c1a8e48bab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04816",
    "kind": "arxiv",
    "version": 1
  }
}