Pith Number

pith:XZJLDVY3

pith:2007:XZJLDVY3M3B522XIELNRRF3GIG

not attested not anchored not stored refs pending

Radio loud AGN and the L_X - \sigma relation of galaxy groups and clusters

Anja von der Linden, Guinevere Kauffmann, P.N. Best, Shiyin Shen, Simon D.M. White

arxiv:0711.2839 v2 · 2007-11-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZJLDVY3M3B522XIELNRRF3GIG}

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	2026-07-04T17:06:44.142545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be52b1d71b66c3dd6ae822db189766419274f78c2a5499887c7d00f9997f30c4

Aliases

arxiv: 0711.2839 · arxiv_version: 0711.2839v2 · doi: 10.48550/arxiv.0711.2839 · pith_short_12: XZJLDVY3M3B5 · pith_short_16: XZJLDVY3M3B522XI · pith_short_8: XZJLDVY3

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/XZJLDVY3M3B522XIELNRRF3GIG \
  | 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: be52b1d71b66c3dd6ae822db189766419274f78c2a5499887c7d00f9997f30c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76e540f03801321c5a5f4225a6cdc0056cedc7bb8df6cd5d8882b99775ce60f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-19T04:17:47Z",
    "title_canon_sha256": "5a5da38d6154b0e9cffc76c9576a31e3df9608c9cd547b1bd6e42f16076759d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.2839",
    "kind": "arxiv",
    "version": 2
  }
}