Pith Number

pith:ORN3JGW2

pith:2018:ORN3JGW2RHM43VXNJGQMTSEYHK

not attested not anchored not stored refs pending

The origin of radio emission in broad absorption line quasars: Results from the LOFAR Two-metre Sky Survey

A. P. Mechev, C. Tasse, D. J. B. Smith, G. G\"urkan, H. J. A. R\"ottgering, I. Prandoni, J. H. Matthews, J. Sabater, K. J. Duncan, L. K. Morabito, M. J. Hardcastle, M. J. Jarvis, M. Kunert-Bajraszewska, P. N. Best, S. Mooney, T. W. Shimwell, W. L. Williams

arxiv:1811.07931 v1 · 2018-11-19 · 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{ORN3JGW2RHM43VXNJGQMTSEYHK}

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	2026-05-18T00:00:17.306694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

745bb49ada89d9cdd6ed49a0c9c8983aaae52e967e9a09e761f3669c574e7e56

Aliases

arxiv: 1811.07931 · arxiv_version: 1811.07931v1 · doi: 10.48550/arxiv.1811.07931 · pith_short_12: ORN3JGW2RHM4 · pith_short_16: ORN3JGW2RHM43VXN · pith_short_8: ORN3JGW2

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/ORN3JGW2RHM43VXNJGQMTSEYHK \
  | 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: 745bb49ada89d9cdd6ed49a0c9c8983aaae52e967e9a09e761f3669c574e7e56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb87ec63e237b7e03f4584d410e325d810d6a0a69eb01b813e96f5afb7379fd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-19T19:06:20Z",
    "title_canon_sha256": "f4f4a7ae493849aff50dfa3f8e992e66bf72135afc2135fc74c310cfc013c537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07931",
    "kind": "arxiv",
    "version": 1
  }
}