Pith Number

pith:XA2ZHUY5

pith:2026:XA2ZHUY52AEDRU57TSTY7DPVO7

not attested not anchored not stored refs pending

SDSS-V: Revealing a weak accretion state in X-ray selected red quasars

Amy L. Rankine, Anton M. Koekemoer, Castalia Alenka Negrete, Catarina Aydar, Claudio Ricci, Delvin Demke, Dominika Wylezalek, Donald P. Schneider, Dong-Woo Kim, Hector Ibarra-Medel, James Aird, Johannes Buchner, Mara Salvato, Paloma Guetzoyan, Peter Breiding, Roberto J. Assef, Scott F. Anderson, Stephanie M. LaMassa, W. N. Brandt, Zsofi Igo

arxiv:2605.18161 v1 · 2026-05-18 · 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{XA2ZHUY52AEDRU57TSTY7DPVO7}

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	2026-05-20T00:05:48.884201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83593d31dd00838d3bf9ca78f8df577dbbd43d0b66fd00c7d3ff5ffa04c6554

Aliases

arxiv: 2605.18161 · arxiv_version: 2605.18161v1 · doi: 10.48550/arxiv.2605.18161 · pith_short_12: XA2ZHUY52AED · pith_short_16: XA2ZHUY52AEDRU57 · pith_short_8: XA2ZHUY5

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/XA2ZHUY52AEDRU57TSTY7DPVO7 \
  | 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: b83593d31dd00838d3bf9ca78f8df577dbbd43d0b66fd00c7d3ff5ffa04c6554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef30ed9028eea4969822eda37b3f5b887dad25ce0b20c54382198ade7c33bed",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-18T10:05:20Z",
    "title_canon_sha256": "5f7fd87713421fd6134931b6505a7ed2cdc10344a8ece335c8e37866a3cc780e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18161",
    "kind": "arxiv",
    "version": 1
  }
}