Pith Number

pith:PKPBNAN7

pith:2020:PKPBNAN7P5X6EOFMAQYCHEXKR5

not attested not anchored not stored refs pending

Constraining the quasar radio-loud fraction at $z \sim 6$ with deep radio observations

Alain Omont, Chris J. Willott, Eduardo Banados, Emmanuel Momjian, Greg Zeimann, Jianan Li, Qiong Li, Ran Wang, Yali Shao, Yoshiki Matsuoka, Yuanqi Liu

arxiv:2012.07301 v1 · 2020-12-14 · 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{PKPBNAN7P5X6EOFMAQYCHEXKR5}

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.

Cited by

1 paper in Pith

Supermassive black holes and their surroundings: MeV signatures

Receipt and verification

First computed	2026-07-05T02:17:45.037465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a9e1681bf7f6fe238ac04302392ea8f7bc814b072bd6179e9f78b7c7fc26702

Aliases

arxiv: 2012.07301 · arxiv_version: 2012.07301v1 · doi: 10.48550/arxiv.2012.07301 · pith_short_12: PKPBNAN7P5X6 · pith_short_16: PKPBNAN7P5X6EOFM · pith_short_8: PKPBNAN7

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/PKPBNAN7P5X6EOFMAQYCHEXKR5 \
  | 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: 7a9e1681bf7f6fe238ac04302392ea8f7bc814b072bd6179e9f78b7c7fc26702

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46579086a9e0709c91bf6e8eeafe47b6b60004fea1dd79d5c451c158ee93a463",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-14T07:33:31Z",
    "title_canon_sha256": "93dd3f80b21a4406e8e30719ebf3e78f72e5aece62bcc448dc24f42ea1d3588c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07301",
    "kind": "arxiv",
    "version": 1
  }
}