Pith Number

pith:HBR4P3FY

pith:2023:HBR4P3FYMI5YKXOVVMU6RTYZER

not attested not anchored not stored refs pending

Radio WISSH: tuning on the most luminous quasars in the Universe

Chiara Feruglio, Cristian Vignali, Enrico Piconcelli, Francesca Panessa, Gabriele Bruni, Giustina Vietri, Ivano Saccheo, Javier Mold\'on, Luca Zappacosta, Manuela Bischetti, Miguel P\'erez-Torres

arxiv:2307.02634 v1 · 2023-07-05 · astro-ph.HE · 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{HBR4P3FYMI5YKXOVVMU6RTYZER}

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	2026-07-05T09:37:32.052738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3863c7ecb8623b855dd5ab29e8cf19246559ab84ed963a19ef9259ae2518b122

Aliases

arxiv: 2307.02634 · arxiv_version: 2307.02634v1 · doi: 10.48550/arxiv.2307.02634 · pith_short_12: HBR4P3FYMI5Y · pith_short_16: HBR4P3FYMI5YKXOV · pith_short_8: HBR4P3FY

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/HBR4P3FYMI5YKXOVVMU6RTYZER \
  | 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: 3863c7ecb8623b855dd5ab29e8cf19246559ab84ed963a19ef9259ae2518b122

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3d0cfffae5717997da0b79c5a5f3590a5ff2f8b6a086a4520ec671c31bbb89d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-07-05T20:08:12Z",
    "title_canon_sha256": "cc898e5341eda526442de07dbead19e222fd880c381e2d981206643ed274a141"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.02634",
    "kind": "arxiv",
    "version": 1
  }
}