Pith Number

pith:BID4QTQO

pith:2014:BID4QTQORNAJ7GCFV5VVDP4XJ5

not attested not anchored not stored refs pending

Black Holes in 4 Nearby Radio Galaxies

David Batt, Garret Cotter, Jeremy Mould, Mark Durre', Tony Readhead

arxiv:1410.5120 v1 · 2014-10-19 · 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{BID4QTQORNAJ7GCFV5VVDP4XJ5}

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	2026-05-18T01:41:43.676512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a07c84e0e8b409f9845af6b51bf974f76c55d1565cdf7a1ee9ad23c91e06322

Aliases

arxiv: 1410.5120 · arxiv_version: 1410.5120v1 · doi: 10.48550/arxiv.1410.5120 · pith_short_12: BID4QTQORNAJ · pith_short_16: BID4QTQORNAJ7GCF · pith_short_8: BID4QTQO

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/BID4QTQORNAJ7GCFV5VVDP4XJ5 \
  | 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: 0a07c84e0e8b409f9845af6b51bf974f76c55d1565cdf7a1ee9ad23c91e06322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b20a96f433d8550a856a3251c5dc69814e65e2131192ff994cc9d2951a7f5ac7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-19T22:35:03Z",
    "title_canon_sha256": "9e8687878c03cd93ddc080b753caee62b5158ea1acda464f14f1f0ea0547bc22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5120",
    "kind": "arxiv",
    "version": 1
  }
}