Pith Number

pith:R3LJFR7U

pith:2025:R3LJFR7UGWHUMJKTQ3CLD6W2KF

not attested not anchored not stored refs pending

Luminous Mid-IR Selected Type-2 Quasars at Cosmic Noon in SDSS Stripe82 I: Selection, Composite Photometry, and Spectral Energy Distributions

Ben Wang, Gordon T. Richards, Hollis B. Akins, Jan-Torge Schindler, Joseph F. Hennawi, Nadia L. Zakamska, Yuzo Ishikawa, Zechang Sun, Zheng Cai

arxiv:2501.14026 v2 · 2025-01-23 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R3LJFR7UGWHUMJKTQ3CLD6W2KF}

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.

Cited by

1 paper in Pith

Testing the AGN unified model with simulated emission lines from the circumgalactic medium (CGM)

Receipt and verification

First computed	2026-07-05T11:07:19.368036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ed692c7f4358f46255386c4b1fada5163522626dccecb72d259b478b2ee2b07

Aliases

arxiv: 2501.14026 · arxiv_version: 2501.14026v2 · doi: 10.48550/arxiv.2501.14026 · pith_short_12: R3LJFR7UGWHU · pith_short_16: R3LJFR7UGWHUMJKT · pith_short_8: R3LJFR7U

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/R3LJFR7UGWHUMJKTQ3CLD6W2KF \
  | 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: 8ed692c7f4358f46255386c4b1fada5163522626dccecb72d259b478b2ee2b07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4980eae0dd101f5a1be3c43401060002375c29289ebc4ea5e700b5e55a8230bf",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-23T19:00:06Z",
    "title_canon_sha256": "bc809a283e00acfe49ebef53a789fd83809a0c7a5a7f55b407b597f4b0f276ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.14026",
    "kind": "arxiv",
    "version": 2
  }
}