Pith Number

pith:T4IDA3NI

pith:2014:T4IDA3NIKDGJ7AJFAB7PAIP527

not attested not anchored not stored refs pending

Nature and evolution of powerful radio galaxies and their link with the quasar luminosity function

Elmar Koerding, Heino Falcke, Sjoert van Velzen

arxiv:1411.2968 v1 · 2014-11-11 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4IDA3NIKDGJ7AJFAB7PAIP527}

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	2026-05-18T01:41:31.495478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f10306da850cc9f8125007ef021fdd7ed015fbf72266fbd64eae2ba66a1d261

Aliases

arxiv: 1411.2968 · arxiv_version: 1411.2968v1 · doi: 10.48550/arxiv.1411.2968 · pith_short_12: T4IDA3NIKDGJ · pith_short_16: T4IDA3NIKDGJ7AJF · pith_short_8: T4IDA3NI

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/T4IDA3NIKDGJ7AJFAB7PAIP527 \
  | 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: 9f10306da850cc9f8125007ef021fdd7ed015fbf72266fbd64eae2ba66a1d261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4656b48814421c7b531fe1a8d043624ee627b050c7720840d639798263d5d049",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-11-11T21:00:00Z",
    "title_canon_sha256": "cb2b998b7e5a9d59c4ff2a0f981825c6e79165b99e894f6661fe7516f08559dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2968",
    "kind": "arxiv",
    "version": 1
  }
}