Pith Number

pith:2CQII2ZD

pith:2024:2CQII2ZDO5E42MPDYP45BUNLCZ

not attested not anchored not stored refs pending

Exploring Changing-look Active Galactic Nuclei with the Sloan Digital Sky Survey V: First Year Results

Anton M. Koekemoer, Benny Trakhtenbrot, Claudio Ricci, Dmitry Bizyaev, Donald P. Schneider, Franz E. Bauer, Grisha Zeltyn, Jessie Runnoe, Joel R. Brownstein, Jonathan R. Trump, Juna A. Kollmeier, Kaike Pan, Logan B. Fries, Lorena Hern\'andez-Garc\'ia, Mary Loli Mart\'inez-Aldama, Marzena \'Sniegowska, Matthew J. Graham, Matthew J. Temple, Megan C. Davis, Michael Eracleous, Mirko Krumpe, Muryel Guolo, Norman A. Grogin, Paul Green, Qian Yang, Roberto J. Assef, Sara E. Frederick, Scott F. Anderson, Sean Morrison, Stephanie LaMassa, Tom Dwelly, W.N. Brandt, Xin Liu, Yongquan Xue, Yue Shen

arxiv:2401.01933 v3 · 2024-01-03 · 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{2CQII2ZDO5E42MPDYP45BUNLCZ}

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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

1 paper in Pith

Tracing Active Galactic Nuclei Properties Through a Changing-look Event

Receipt and verification

First computed	2026-07-05T08:14:21.396953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0a0846b237749cd31e3c3f9d0d1ab166c8f63640611db45a8c76b9e59fb024c

Aliases

arxiv: 2401.01933 · arxiv_version: 2401.01933v3 · doi: 10.48550/arxiv.2401.01933 · pith_short_12: 2CQII2ZDO5E4 · pith_short_16: 2CQII2ZDO5E42MPD · pith_short_8: 2CQII2ZD

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/2CQII2ZDO5E42MPDYP45BUNLCZ \
  | 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: d0a0846b237749cd31e3c3f9d0d1ab166c8f63640611db45a8c76b9e59fb024c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d531f35ec98090fc370fa114253a0d9fa43f3fa25afd9f028fa23d3e358e97ce",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-01-03T19:00:03Z",
    "title_canon_sha256": "7b4492ac907887ae0ef72ca322a6591940909330d09a09e1f26e561afa5a151d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.01933",
    "kind": "arxiv",
    "version": 3
  }
}