Pith Number

pith:OUNLZ56M

pith:2024:OUNLZ56M2NCLC32DJTS3WCLSW2

not attested not anchored not stored refs pending

Newly Discovered Changing-look Active Galactic Nuclei from SDSS and LAMOST Surveys

Mouyuan Sun, Qian Dong, Wei-Min Gu, Yong-Gang Zheng, Zhi-Xiang Zhang

arxiv:2408.07335 v2 · 2024-08-14 · 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{OUNLZ56M2NCLC32DJTS3WCLSW2}

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

Identifying Changing-Look AGN Transitions in Light Curve Data with the Zwicky Transient Facility

Receipt and verification

First computed	2026-07-05T10:52:37.526448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

751abcf7ccd344b16f434ce5bb0972b684a66c09342a3f5523e3de14c25be5c0

Aliases

arxiv: 2408.07335 · arxiv_version: 2408.07335v2 · doi: 10.48550/arxiv.2408.07335 · pith_short_12: OUNLZ56M2NCL · pith_short_16: OUNLZ56M2NCLC32D · pith_short_8: OUNLZ56M

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/OUNLZ56M2NCLC32DJTS3WCLSW2 \
  | 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: 751abcf7ccd344b16f434ce5bb0972b684a66c09342a3f5523e3de14c25be5c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7ad65ffcc27628d82cb5114678b507ce2297b282aa0e0e8da18bae3f23c44e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-08-14T07:17:41Z",
    "title_canon_sha256": "333b88ce36ae1f18026e7a317792dc487debca574d62384bbc4d5d2d06bd50c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.07335",
    "kind": "arxiv",
    "version": 2
  }
}