Pith Number

pith:IAJV73F5

pith:2019:IAJV73F5SFTMI6N273XCJNJ275

not attested not anchored not stored refs pending

The WISSH quasars project VI. Fraction and properties of BAL quasars in the hyper-luminosity regime

A. Bongiorno, C. Feruglio, C. Vignali, E. Piconcelli, F. Duras, F. Fiore, F. G. Saturni, F. Tombesi, G. Bruni, G. Vietri, L. Zappacosta, T. Misawa

arxiv:1908.09673 v1 · 2019-08-26 · 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{IAJV73F5SFTMI6N273XCJNJ275}

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	2026-07-05T00:31:16.665311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40135fecbd9166c479bafeee24b53aff6c3a27007e41b115d5b6480a886865f2

Aliases

arxiv: 1908.09673 · arxiv_version: 1908.09673v1 · doi: 10.48550/arxiv.1908.09673 · pith_short_12: IAJV73F5SFTM · pith_short_16: IAJV73F5SFTMI6N2 · pith_short_8: IAJV73F5

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/IAJV73F5SFTMI6N273XCJNJ275 \
  | 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: 40135fecbd9166c479bafeee24b53aff6c3a27007e41b115d5b6480a886865f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ada9971d488f365ccce96ff06a3660e6a937f8694987373e56ddd40b48f8903",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-26T13:34:07Z",
    "title_canon_sha256": "18e52086ba403cccacd5f8e54b391e863998ef9fd4327bebd9903d4babdc75a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09673",
    "kind": "arxiv",
    "version": 1
  }
}