Pith Number

pith:TY6VZ3OZ

pith:2017:TY6VZ3OZNFSQPGK2QM3O2F4UKW

not attested not anchored not stored refs pending

Discovery of a dual active galactic nucleus with ~ 8 kpc separation

J. Trevor Mendel, Luc Simard, Nathan J. Secrest, Sara L. Ellison, Shobita Satyapal

arxiv:1705.05465 v1 · 2017-05-15 · 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{TY6VZ3OZNFSQPGK2QM3O2F4UKW}

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	2026-05-18T00:39:35.062202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e3d5cedd9696507995a8336ed179455b228deeec20c9c44c43f1ccc31506260

Aliases

arxiv: 1705.05465 · arxiv_version: 1705.05465v1 · doi: 10.48550/arxiv.1705.05465 · pith_short_12: TY6VZ3OZNFSQ · pith_short_16: TY6VZ3OZNFSQPGK2 · pith_short_8: TY6VZ3OZ

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/TY6VZ3OZNFSQPGK2QM3O2F4UKW \
  | 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: 9e3d5cedd9696507995a8336ed179455b228deeec20c9c44c43f1ccc31506260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d7d3ff5ea1dc3b84e183c56c5f14d9be13d618acee9f82a508142330b05440c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-15T22:00:18Z",
    "title_canon_sha256": "3fc697a08d849817c38372a58a16912bb30ddfbd4aa7be4ea3f5e95d8f816c30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05465",
    "kind": "arxiv",
    "version": 1
  }
}