Pith Number

pith:B733VNO4

pith:2025:B733VNO4NDTNYQVM2KVWIQRLQH

not attested not anchored not stored refs pending

Investigating photometric and spectroscopic variability in the multiply-imaged Little Red Dot A2744-QSO1

(10) Kapteyn Astronomical Institute, (11) Universit\"at Z\"urich, (12) The Pennsylvania State University, (13) Institute of Science, (14) MIT Kavli Institute for Astrophysics, (15) University of Colorado, (16) Universit\'e de Gen\`eve, (17) Tufts University), (2) Flatiron Institute, (3), (4) Swinburne University of Technology, (5) University of Pittsburgh, (6) The University of Texas at Austin, (7) Institut d'Astrophysique de Paris, 8), 8) ((1) Ben-Gurion University of the Negev, (8) Cosmic Dawn Center, (9) University of Massachusetts, Adi Zitrin (1), Amy R. Secunda (2), Bingjie Wang (12), Erica J. Nelson (15), Gabriel B. Brammer (8), Hakim Atek (7), Iryna Chemerynska (7), Ivo Labb\'e (4), Jenny E. Greene (3), Joel Leja (12), John R. Weaver (9), Jorryt Matthee (13), Karl Glazebrook (4), Katherine A. Suess (15), Katherine E. Whitaker (9, Lukas J. Furtak (1), Miriam Golubchik (1), Pascal A. Oesch (16, Pratika Dayal (10), Princeton University, Rachel Bezanson (5), Richard Pan (17), Robert Feldmann (11), Rohan P. Naidu (14), Sam E. Cutler (9), Sedona H. Price (5), Seiji Fujimoto (6), Space Research, Technology Austria, Vasily Kokorev (6), Yilun Ma (3)

arxiv:2502.07875 v3 · 2025-02-11 · 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{B733VNO4NDTNYQVM2KVWIQRLQH}

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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

2 papers in Pith

A "Black Hole Star" Reveals the Remarkable Gas-Enshrouded Hearts of the Little Red Dots

Ultrahigh-energy cosmogenic neutrino emissions in the high-redshift universe

Receipt and verification

First computed	2026-07-05T11:23:09.022453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ff7bab5dc68e6dc42acd2ab64422b81efae46751deac3c00db45893a11267a6

Aliases

arxiv: 2502.07875 · arxiv_version: 2502.07875v3 · doi: 10.48550/arxiv.2502.07875 · pith_short_12: B733VNO4NDTN · pith_short_16: B733VNO4NDTNYQVM · pith_short_8: B733VNO4

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/B733VNO4NDTNYQVM2KVWIQRLQH \
  | 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: 0ff7bab5dc68e6dc42acd2ab64422b81efae46751deac3c00db45893a11267a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c313174fd44b4a1aad16460ba8bb81449ff942f748ff9a098f130db288e4c34e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-11T19:00:00Z",
    "title_canon_sha256": "a6f5a8d0289e0d70524bafb899b42edb3aa4e48873addcfae3f84edd2175bce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07875",
    "kind": "arxiv",
    "version": 3
  }
}