Pith Number

pith:BFJXK3N4

pith:2015:BFJXK3N47PVLMZVDCC2RHH6ATW

not attested not anchored not stored refs pending

A New Catalogue of Type 1 AGN and its Implication on the AGN Unified Model

Benny Trakhtenbrot, Kevin Schawinski, Kyuseok Oh, Michael Koss, Sukyoung K. Yi

arxiv:1504.07247 v1 · 2015-04-27 · 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{BFJXK3N47PVLMZVDCC2RHH6ATW}

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	2026-05-18T01:36:53.715567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0953756dbcfbeab666a310b5139fc09d84501e7191d7a2af6b7f1853c6db7bf4

Aliases

arxiv: 1504.07247 · arxiv_version: 1504.07247v1 · doi: 10.48550/arxiv.1504.07247 · pith_short_12: BFJXK3N47PVL · pith_short_16: BFJXK3N47PVLMZVD · pith_short_8: BFJXK3N4

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/BFJXK3N47PVLMZVDCC2RHH6ATW \
  | 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: 0953756dbcfbeab666a310b5139fc09d84501e7191d7a2af6b7f1853c6db7bf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4f1b5b25a9bf25d0aec53da4a6f46bb46fd0c35d73380982b009ab8c2123658",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-27T20:01:36Z",
    "title_canon_sha256": "09520bb6896e9248d40e36fa56fcafdd31cac7eae2fbb03ff58dd67841cdbdef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07247",
    "kind": "arxiv",
    "version": 1
  }
}