Pith Number

pith:SQO37LSB

pith:2012:SQO37LSBI5577OHFL4TQK4WZ2M

not attested not anchored not stored refs pending

The Cosmic History of Hot Gas Cooling and Radio AGN Activity in Massive Early-Type Galaxies

A. L. R. Danielson, B. D. Lehmer, B. Luo, D. M. Alexander, J. P. Stott, N. Miller, W. N. Brandt, Y. Q. Xue

arxiv:1202.0041 v1 · 2012-01-31 · 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{SQO37LSBI5577OHFL4TQK4WZ2M}

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	2026-05-18T01:58:37.238214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

941dbfae41477bffb8e55f270572d9d33b2b5a67737e36cf7df992f213008469

Aliases

arxiv: 1202.0041 · arxiv_version: 1202.0041v1 · doi: 10.48550/arxiv.1202.0041 · pith_short_12: SQO37LSBI557 · pith_short_16: SQO37LSBI5577OHF · pith_short_8: SQO37LSB

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/SQO37LSBI5577OHFL4TQK4WZ2M \
  | 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: 941dbfae41477bffb8e55f270572d9d33b2b5a67737e36cf7df992f213008469

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83aca3e5ce72750494cc1369310270247e39104141f2f2f7a5705aced642f40c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-31T22:13:29Z",
    "title_canon_sha256": "eae6a83029dd77bde457196f60b561592d2cd03dbb043490c4640fc23ed24587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0041",
    "kind": "arxiv",
    "version": 1
  }
}