Pith Number

pith:QBF4HMCO

pith:2011:QBF4HMCOT7Z6GMEY4EE7Q3V7CE

not attested not anchored not stored refs pending

Testing the Low-Mass End of X-Ray Scaling Relations with a Sample of Chandra Galaxy Groups

D. S. Hudson, H. J. Eckmiller, T. H. Reiprich

arxiv:1109.6498 v2 · 2011-09-29 · 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{QBF4HMCOT7Z6GMEY4EE7Q3V7CE}

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	2026-05-18T02:00:21.583441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

804bc3b04e9ff3e33098e109f86ebf11346b89946f46e96ecdec93a0497ebb65

Aliases

arxiv: 1109.6498 · arxiv_version: 1109.6498v2 · doi: 10.48550/arxiv.1109.6498 · pith_short_12: QBF4HMCOT7Z6 · pith_short_16: QBF4HMCOT7Z6GMEY · pith_short_8: QBF4HMCO

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/QBF4HMCOT7Z6GMEY4EE7Q3V7CE \
  | 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: 804bc3b04e9ff3e33098e109f86ebf11346b89946f46e96ecdec93a0497ebb65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30efa0a71983eb18c8a2545b99b7960e92573db2cd39a9b1b564d6e865dfb5a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-29T12:10:57Z",
    "title_canon_sha256": "cb2fb835da026ad576cf1c2b3587f42651b8c6c5cc9bc4c5684d034ced57cf00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6498",
    "kind": "arxiv",
    "version": 2
  }
}