Pith Number

pith:VM6CSQTQ

pith:2020:VM6CSQTQC6PBQJJTLCPFUZQIXD

not attested not anchored not stored refs pending

A possible sub-kiloparsec dual AGN buried behind the galaxy curtain

A. Zaino, C. Cicone, C. Vignali, D. Paris, F. Cusano, G. Pruto, L. Ballo, M. Dotti, M. Landoni, P. Saracco, P. Severgnini, R. Della Ceca, R. Serafinelli, V. Braito

arxiv:2012.09184 v2 · 2020-12-16 · 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{VM6CSQTQC6PBQJJTLCPFUZQIXD}

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	2026-07-05T02:19:40.907598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab3c294270179e182533589e5a6608b8f23eb2b01f04ae16e4e80cab02c1ee5e

Aliases

arxiv: 2012.09184 · arxiv_version: 2012.09184v2 · doi: 10.48550/arxiv.2012.09184 · pith_short_12: VM6CSQTQC6PB · pith_short_16: VM6CSQTQC6PBQJJT · pith_short_8: VM6CSQTQ

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/VM6CSQTQC6PBQJJTLCPFUZQIXD \
  | 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: ab3c294270179e182533589e5a6608b8f23eb2b01f04ae16e4e80cab02c1ee5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "872561b04ad78339085c6fc18191f9c7a7081ff4219bc83557040830930bc676",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-16T19:00:01Z",
    "title_canon_sha256": "15a9437f1592dbadbcd35ab80d1ae134176d03bebd79ed7e2c7edb60011faf23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09184",
    "kind": "arxiv",
    "version": 2
  }
}