Pith Number

pith:X3JTYGBI

pith:2020:X3JTYGBIKUGJCTE6AHQCMVMNRI

not attested not anchored not stored refs pending

High-Resolution Radio Observations of Five Optically Selected Type 2 Quasars

M\'at\'e Krezinger, Roger Deane, S\'andor Frey, Zsolt Paragi

arxiv:2004.01501 v1 · 2020-04-03 · 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{X3JTYGBIKUGJCTE6AHQCMVMNRI}

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	2026-07-05T00:52:33.509969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed33c1828550c914c9e01e026558d8a190bb1fa03601c711b7dcdb101726270

Aliases

arxiv: 2004.01501 · arxiv_version: 2004.01501v1 · doi: 10.48550/arxiv.2004.01501 · pith_short_12: X3JTYGBIKUGJ · pith_short_16: X3JTYGBIKUGJCTE6 · pith_short_8: X3JTYGBI

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/X3JTYGBIKUGJCTE6AHQCMVMNRI \
  | 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: bed33c1828550c914c9e01e026558d8a190bb1fa03601c711b7dcdb101726270

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cc307f0f4df0b9a0ef2ebcd20bca658c18ba4b363d22ad9cb678d0876ffa9c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-03T12:18:27Z",
    "title_canon_sha256": "035191c9d74abad39b0ea2f8647eb863ab96aaba9a8c0d2be554dde67757cda2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01501",
    "kind": "arxiv",
    "version": 1
  }
}