Pith Number

pith:IUNQCOCE

pith:2020:IUNQCOCESUTRIRS2ZIHXHKZLDQ

not attested not anchored not stored refs pending

The WISSH quasars project VII. The impact of extreme radiative field in the accretion disk and X-ray corona interplay

A. Bongiorno, A. Comastri, A. Luminari, A. Marconi, C. Feruglio, C. Ricci, C. Vignali, E. Piconcelli, F. Duras, F. Fiore, G. Miniutti, G. Vietri, L. Zappacosta, M. Bischetti, M. Brusa, M. Chiaberge, M. Giustini

arxiv:2002.00957 v3 · 2020-02-03 · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUNQCOCESUTRIRS2ZIHXHKZLDQ}

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	2026-07-05T00:48:23.698332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

451b013844952714465aca0f73ab2b1c3014a90be575b24a25aa4ab390ac5c56

Aliases

arxiv: 2002.00957 · arxiv_version: 2002.00957v3 · doi: 10.48550/arxiv.2002.00957 · pith_short_12: IUNQCOCESUTR · pith_short_16: IUNQCOCESUTRIRS2 · pith_short_8: IUNQCOCE

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/IUNQCOCESUTRIRS2ZIHXHKZLDQ \
  | 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: 451b013844952714465aca0f73ab2b1c3014a90be575b24a25aa4ab390ac5c56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85a7b44e44f130b95a154665915336abdd15fb7b5f56c1ba898819b826df5f8f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-03T19:00:00Z",
    "title_canon_sha256": "31e89b142bd32582d7ae12dab272f0608f9a4bfdd8ddebc8497083258b750cdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00957",
    "kind": "arxiv",
    "version": 3
  }
}