Pith Number

pith:JSX5ELW4

pith:2005:JSX5ELW4HH2KJHN6FIAUK4C5QJ

not attested not anchored not stored refs pending

The Effects of Radiative Cooling on the Entropy Distribution of Intracluster Gas

Arif Babul (University of Victoria), Ian G. McCarthy, Mark A. Fardal

arxiv:astro-ph/0501137 v1 · 2005-01-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSX5ELW4HH2KJHN6FIAUK4C5QJ}

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	2026-07-04T14:14:02.129300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cafd22edc39f4a49dbe2a0145705d824e1935e5aefb2100253dcffcf062c814

Aliases

arxiv: astro-ph/0501137 · arxiv_version: astro-ph/0501137v1 · doi: 10.48550/arxiv.astro-ph/0501137 · pith_short_12: JSX5ELW4HH2K · pith_short_16: JSX5ELW4HH2KJHN6 · pith_short_8: JSX5ELW4

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/JSX5ELW4HH2KJHN6FIAUK4C5QJ \
  | 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: 4cafd22edc39f4a49dbe2a0145705d824e1935e5aefb2100253dcffcf062c814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3846c4a94d0889668def717f7887d4ab423e166faef77c717fec05fb1c1ae590",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-08T00:49:39Z",
    "title_canon_sha256": "d985e77528dafdc36b2b0ef48cb1da3a7e10dfa589c2655f2dbfacc7de98fdfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501137",
    "kind": "arxiv",
    "version": 1
  }
}