Pith Number

pith:U5CROZ42

pith:2018:U5CROZ422RVEO2S37664ZI74ZE

not attested not anchored not stored refs pending

A Universal Entropy Profile for the Hot Atmospheres of Galaxies and Clusters within $R_{2500}$

A.N. Vantyghem, B.R. McNamara, F.A. Pulido, H.R. Russell, Iu.V. Babyk, M.T. Hogan, P.E.J. Nulsen

arxiv:1802.02589 v2 · 2018-02-07 · 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{U5CROZ422RVEO2S37664ZI74ZE}

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	2026-05-18T00:08:43.382026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a74517679ad46a476a5bffbdcca3fcc92472cbac6bc87e75e368117aa19a7253

Aliases

arxiv: 1802.02589 · arxiv_version: 1802.02589v2 · doi: 10.48550/arxiv.1802.02589 · pith_short_12: U5CROZ422RVE · pith_short_16: U5CROZ422RVEO2S3 · pith_short_8: U5CROZ42

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/U5CROZ422RVEO2S37664ZI74ZE \
  | 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: a74517679ad46a476a5bffbdcca3fcc92472cbac6bc87e75e368117aa19a7253

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c85bb2ecc87f68693bb8545a5b5e844629fdc5f1fb549ac6dff9ac08aa006630",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-02-07T19:00:50Z",
    "title_canon_sha256": "0fcd39e034867291b25e74cbdd1e4446831b6cab3ab2bec7a72215b09b131f33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02589",
    "kind": "arxiv",
    "version": 2
  }
}