Pith Number

pith:UBUN2A37

pith:2026:UBUN2A37XFJAGJNTEAHZR4EEME

not attested not anchored not stored refs pending

An Exploratory Analysis of New Large Gaia-informed Quasar Samples in SDSS-V

Andrea Merloni, Anton M. Koekemoer, Benny Trakhtenbrot, Catarina Aydar, Claudio Ricci, Donald P. Schneider, Dong-Woo Kim, Franz E. Bauer, Grisha Zeltyn, Jeremy Darling, Joel R. Brownstein, Johannes Buchner, Jose G. Fernandez-Trincado, Mara Salvato, Michael Eracleous, Patrick B. Hall, Qian Yang, Roberto J. Assef, Scott F. Anderson, Sean Morrison, Shir Aviram, Stephanie LaMassa, Tom Dwelly, W.N. Brandt, Yue Shen

arxiv:2607.27329 v1 · 2026-07-29 · 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{UBUN2A37XFJAGJNTEAHZR4EEME}

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	2026-07-31T00:10:38.901084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

a068dd037fb9520325b3200f98f0846116df301c7632f27888575d7bcce50b3c

Aliases

arxiv: 2607.27329 · arxiv_version: 2607.27329v1 · doi: 10.48550/arxiv.2607.27329 · pith_short_12: UBUN2A37XFJA · pith_short_16: UBUN2A37XFJAGJNT · pith_short_8: UBUN2A37

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/UBUN2A37XFJAGJNTEAHZR4EEME \
  | 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: a068dd037fb9520325b3200f98f0846116df301c7632f27888575d7bcce50b3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72aa9111ffe65a2b2f24f90964b1165ab50c8c260ad7971d03100bf291e25e03",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-29T18:00:04Z",
    "title_canon_sha256": "c07cb6e8efcf5d121e500569df7d065d05abf346fb304d6111ab96de4d9480f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27329",
    "kind": "arxiv",
    "version": 1
  }
}