Pith Number

pith:XK5FG3IJ

pith:2009:XK5FG3IJIJ7ASIT5HQRD3TSLSP

not attested not anchored not stored refs pending

The cluster gas mass fraction as a cosmological probe: a revised study

A. Morandi, F. Terenziani, I. Balestra, L. Lovisari, P. Rosati, P. Tozzi, S. Borgani, S. Ettori

arxiv:0904.2740 v2 · 2009-04-17 · 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{XK5FG3IJIJ7ASIT5HQRD3TSLSP}

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.

Cited by

1 paper in Pith

Revisiting the Constancy of the Speed of Light: Galaxy Cluster Mass Bias Implications

Receipt and verification

First computed	2026-05-18T04:36:40.643191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baba536d09427e09227d3c223dce4b93f0752ef7dd2b0536c4ea768d72542bf1

Aliases

arxiv: 0904.2740 · arxiv_version: 0904.2740v2 · doi: 10.48550/arxiv.0904.2740 · pith_short_12: XK5FG3IJIJ7A · pith_short_16: XK5FG3IJIJ7ASIT5 · pith_short_8: XK5FG3IJ

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/XK5FG3IJIJ7ASIT5HQRD3TSLSP \
  | 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: baba536d09427e09227d3c223dce4b93f0752ef7dd2b0536c4ea768d72542bf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c5037bcbe7c1cdd3e342bcbf26157b2e7e4d6e1e3ceceb42ad1fe982e327c45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-17T16:37:07Z",
    "title_canon_sha256": "19c6b96f992191708f9ce45f22d8370b747c9f6e2e9aafe6e3699255c7a225b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2740",
    "kind": "arxiv",
    "version": 2
  }
}