Pith Number

pith:ITM5IF3D

pith:2009:ITM5IF3DW4434T3P3HITYKS6I3

not attested not anchored not stored refs pending

Heating and Cooling in Clusters and Groups

A.C. Fabian, Cambridge, J.S. Sanders (Institute of Astronomy, UK)

arxiv:0909.2577 v1 · 2009-09-14 · 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	2026-05-18T02:11:48.089752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44d9d41763b739be4f6fd9d13c2a5e46fc282c1edbb3f138ee5af83b2f51da01

Aliases

arxiv: 0909.2577 · arxiv_version: 0909.2577v1 · doi: 10.48550/arxiv.0909.2577 · pith_short_12: ITM5IF3DW443 · pith_short_16: ITM5IF3DW4434T3P · pith_short_8: ITM5IF3D

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/ITM5IF3DW4434T3P3HITYKS6I3 \
  | 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: 44d9d41763b739be4f6fd9d13c2a5e46fc282c1edbb3f138ee5af83b2f51da01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce6cea55244ec00d800b6aa90ae1dc76031b6edb8015eb4c19cfbe85414a5de3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-14T15:32:21Z",
    "title_canon_sha256": "e70912e6a43e62113258c51b305f0ca6ea26b189915730429e26bc0875fc6656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2577",
    "kind": "arxiv",
    "version": 1
  }
}