Pith Number

pith:F352ZRK7

pith:2019:F352ZRK76WL6E323PAA5DQEMVD

not attested not anchored not stored refs pending

The XXL Survey: XXXVI. Evolution and black hole feedback of high-excitation and low-excitation radio galaxies in XXL-S

Andrew Butler, Anna Kapinska, Elias Koulouridis, Ivan Delvecchio, Lucio Chiappetti, Marguerite Pierre, Minh Huynh, Vernesa Smolcic

arxiv:1904.12507 v1 · 2019-04-29 · 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{F352ZRK76WL6E323PAA5DQEMVD}

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	2026-05-17T23:45:26.661226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2efbacc55ff597e26f5b7801d1c08ca8e69cfa57cb48a1030b6f934bd2be2635

Aliases

arxiv: 1904.12507 · arxiv_version: 1904.12507v1 · doi: 10.48550/arxiv.1904.12507 · pith_short_12: F352ZRK76WL6 · pith_short_16: F352ZRK76WL6E323 · pith_short_8: F352ZRK7

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/F352ZRK76WL6E323PAA5DQEMVD \
  | 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: 2efbacc55ff597e26f5b7801d1c08ca8e69cfa57cb48a1030b6f934bd2be2635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d55be12c9678b0cf3394d4ebcbfae0b9d9986976a8d24888d9fa92eb280ca98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-29T08:56:46Z",
    "title_canon_sha256": "8ebac1b6b2ef6af4de333dcfd131152225aa1fc69d60bce20f63c927762d4bd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12507",
    "kind": "arxiv",
    "version": 1
  }
}