Pith Number

pith:TCMTG22E

pith:2025:TCMTG22EDCI3FBN34HYYCEFLQU

not attested not anchored not stored refs pending

An obscured quasar census with the 4MOST IR AGN survey: design, predicted properties, and scientific goals

Andrea Merloni, Brivael Laloux, Carolina Andonie, Carolin Villforth, Claire Greenwell, David J Rosario, David M. Alexander, Jens-Kristian Krogager, Johannes Buchner, Mara Salvato, Ole Streicher, Ryan Hickox, Sotiria Fotopoulou, Wei Yan

arxiv:2504.10596 v1 · 2025-04-14 · 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{TCMTG22EDCI3FBN34HYYCEFLQU}

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	2026-07-05T10:49:20.341431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9899336b441891b285bbe1f18110ab85012bcaa184c3fc144dd9e08d34173947

Aliases

arxiv: 2504.10596 · arxiv_version: 2504.10596v1 · doi: 10.48550/arxiv.2504.10596 · pith_short_12: TCMTG22EDCI3 · pith_short_16: TCMTG22EDCI3FBN3 · pith_short_8: TCMTG22E

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/TCMTG22EDCI3FBN34HYYCEFLQU \
  | 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: 9899336b441891b285bbe1f18110ab85012bcaa184c3fc144dd9e08d34173947

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fdd8907d0a3a74508ddd0d6519dea7bf4c0e3a5525176439d2cf92cb56843c9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-14T18:00:15Z",
    "title_canon_sha256": "a75aca0dd35a69c3b25b15f57a972a604c0148d5e206fb6f20aa628dc06827ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.10596",
    "kind": "arxiv",
    "version": 1
  }
}