Pith Number

pith:OL3EZ4AH

pith:2021:OL3EZ4AHU4SC5B557YPOWJJHAP

not attested not anchored not stored refs pending

Systematic Perturbations of the Thermodynamic Properties in Cool Cores of HIFLUGCS Galaxy Clusters

FanLam Ng, Keiichi Umetsu, Sandor M. Molnar, Shutaro Ueda, Tetsu Kitayama, Yuto Ichinohe

arxiv:2106.07168 v2 · 2021-06-14 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OL3EZ4AHU4SC5B557YPOWJJHAP}

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	2026-07-05T03:36:06.610076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72f64cf007a7242e87bdfe1eeb252703de9e9a5c21762b2102a61476dfe66f7b

Aliases

arxiv: 2106.07168 · arxiv_version: 2106.07168v2 · doi: 10.48550/arxiv.2106.07168 · pith_short_12: OL3EZ4AHU4SC · pith_short_16: OL3EZ4AHU4SC5B55 · pith_short_8: OL3EZ4AH

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/OL3EZ4AHU4SC5B557YPOWJJHAP \
  | 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: 72f64cf007a7242e87bdfe1eeb252703de9e9a5c21762b2102a61476dfe66f7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44583ff65892908c937e1859aff4d22040a42f8d50255fd3d6825f7deeb7c6e0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-06-14T05:23:16Z",
    "title_canon_sha256": "e4e89699e982c7b9c6b3eb9b2447643ef413cf951c4f1738c5897d6661381031"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.07168",
    "kind": "arxiv",
    "version": 2
  }
}