Pith Number

pith:OD4HDCRI

pith:2020:OD4HDCRI7A4KCXWLUJER6JTPET

not attested not anchored not stored refs pending

BAT AGN Spectroscopic Survey -- XV: The High Frequency Radio Cores of Ultra-hard X-ray Selected AGN

Aeree Chung, Benny Trakhtenbrot, Claudio Ricci, C. Meg Urry, Daniel Stern, Federica Ricci, Fiona Harrison, Franz E. Bauer, Julian Mejia-Restrepo, Junhyun Baek, Krista Lynne Smith, Kyuseok Oh, Meredith C. Powell, Michael Koss, O. Ivy Wong, Richard F. Mushotzky, Stuart Vogel

arxiv:2001.00877 v2 · 2020-01-03 · 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{OD4HDCRI7A4KCXWLUJER6JTPET}

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	2026-07-05T00:33:25.801132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70f8718a28f838a15ecba2491f266f24d619c08ba977902c7c1bc796d52d8bf6

Aliases

arxiv: 2001.00877 · arxiv_version: 2001.00877v2 · doi: 10.48550/arxiv.2001.00877 · pith_short_12: OD4HDCRI7A4K · pith_short_16: OD4HDCRI7A4KCXWL · pith_short_8: OD4HDCRI

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/OD4HDCRI7A4KCXWLUJER6JTPET \
  | 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: 70f8718a28f838a15ecba2491f266f24d619c08ba977902c7c1bc796d52d8bf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d5d54932b6dcf23b6ed186dfb76424c0978ae7355f35d3484875696d4356fe9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-03T16:22:05Z",
    "title_canon_sha256": "061ac19d0e98ed1431731cb830a22cf345af42c66319a50043ffb6fcd7a8f93c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00877",
    "kind": "arxiv",
    "version": 2
  }
}