Pith Number

pith:JWHYPLXC

pith:2016:JWHYPLXCWV4J52YVN7RGLV4RPS

not attested not anchored not stored refs pending

Discovery of five low luminosity active galactic nuclei at the centre of the Perseus cluster

J. B. Raymond Oonk, Jun Yang, Songyoun Park, Zsolt Paragi

arxiv:1611.05986 v1 · 2016-11-18 · 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{JWHYPLXCWV4J52YVN7RGLV4RPS}

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	2026-05-18T00:53:06.723263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d8f87aee2b5789eeb156fe265d7917c8d6aae8566376448f77513966a2b612d

Aliases

arxiv: 1611.05986 · arxiv_version: 1611.05986v1 · doi: 10.48550/arxiv.1611.05986 · pith_short_12: JWHYPLXCWV4J · pith_short_16: JWHYPLXCWV4J52YV · pith_short_8: JWHYPLXC

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/JWHYPLXCWV4J52YVN7RGLV4RPS \
  | 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: 4d8f87aee2b5789eeb156fe265d7917c8d6aae8566376448f77513966a2b612d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7d26440154d9952a25b5e76ee128c3b7bbebafbbcc536654fabdd5eb1279010",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-18T06:21:27Z",
    "title_canon_sha256": "a862c3058c7bccce38869f1c28d1cf9e732bb5673fe6c89ae798db75f680681a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05986",
    "kind": "arxiv",
    "version": 1
  }
}