Pith Number

pith:QSJW2P7L

pith:2026:QSJW2P7LEQ7ESTXL34TXUVLG6T

not attested not anchored not stored refs pending

The WISSHFUL program: the highest redshift UFO discovered in a non-lensed QSO

A. Comastri, A. Luminari, A. Marinucci, A. Tortosa, C. Vignali, D. Stern, E. Bertola, E. Kammoun, E. Piconcelli, F. Salvestrini, F. Tombesi, F. Vito, G. Bruni, G. Chartas, G. Lanzuisi, G. Matzeu, G. Vietri, J. Reeves, L. Borrelli, L. Zappacosta, M. Bischetti, M. Brusa, M. Cappi, M. Dadina, M. Fanelli, M. Gaspari, S. Bianchi, S. Marchesi, T. Misawa, V. Braito, X. Zhao

arxiv:2606.05312 v1 · 2026-06-03 · 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{QSJW2P7LEQ7ESTXL34TXUVLG6T}

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	2026-06-05T00:13:53.544258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84936d3feb243e494eebdf277a5566f4d50bad38a32e2367326784bcaeee2faa

Aliases

arxiv: 2606.05312 · arxiv_version: 2606.05312v1 · doi: 10.48550/arxiv.2606.05312 · pith_short_12: QSJW2P7LEQ7E · pith_short_16: QSJW2P7LEQ7ESTXL · pith_short_8: QSJW2P7L

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/QSJW2P7LEQ7ESTXL34TXUVLG6T \
  | 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: 84936d3feb243e494eebdf277a5566f4d50bad38a32e2367326784bcaeee2faa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "928a4b27ca2ac7ea24a294cfb1670d661ced821afd3496067e4b7c5d82645d06",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-03T18:02:34Z",
    "title_canon_sha256": "20d7ca9eb1ddece1e31987ea23cb060192e5778c3045f5d772e5f9d988b1b510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05312",
    "kind": "arxiv",
    "version": 1
  }
}