Pith Number

pith:SKQKTLDG

pith:2015:SKQKTLDGG7WLB2QSHUDFMEUTXK

not attested not anchored not stored refs pending

Hot gaseous atmospheres in galaxy groups and clusters are both heated and cooled by X-ray cavities

Fabrizio Brighenti, Pasquale Temi, William G. Mathews

arxiv:1501.07647 v1 · 2015-01-30 · astro-ph.GA · astro-ph.CO

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

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	2026-05-18T01:41:05.768693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a0a9ac6637ecb0ea123d06561293ba8831b9b34b98c5ecff07bf304904517a

Aliases

arxiv: 1501.07647 · arxiv_version: 1501.07647v1 · doi: 10.48550/arxiv.1501.07647 · pith_short_12: SKQKTLDGG7WL · pith_short_16: SKQKTLDGG7WLB2QS · pith_short_8: SKQKTLDG

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/SKQKTLDGG7WLB2QSHUDFMEUTXK \
  | 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: 92a0a9ac6637ecb0ea123d06561293ba8831b9b34b98c5ecff07bf304904517a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5159a239f4dc8f6a9cd88b1ecc4d1145c88909b94278ddb19b063745320dacee",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-30T02:11:48Z",
    "title_canon_sha256": "47dc6db2a7cbe1ba610adadd510b71216df5e71a2530599a80793fe751f57941"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07647",
    "kind": "arxiv",
    "version": 1
  }
}