Pith Number

pith:LINF7276

pith:2023:LINF7276KYNKRYRSX2W7LBMOWF

not attested not anchored not stored refs pending

Probing the Origin of Changing-look Quasar Transitions with Chandra

Allyson Bieryla, Chelsea L. MacLeod, Francesca Civano, Jessie Runnoe, John J. Ruan, Matthew Graham, Michael Eracleous, Paul J. Green, Qian Yang, Richard M. Plotkin, Scott F. Anderson, Xiurui Zhao

arxiv:2303.06733 v3 · 2023-03-12 · 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{LINF7276KYNKRYRSX2W7LBMOWF}

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	2026-07-05T06:38:50.103629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a1a5febfe561aa8e232beadf5858eb15116ab0f7343b2f0bdc469cf00b5a9be

Aliases

arxiv: 2303.06733 · arxiv_version: 2303.06733v3 · doi: 10.48550/arxiv.2303.06733 · pith_short_12: LINF7276KYNK · pith_short_16: LINF7276KYNKRYRS · pith_short_8: LINF7276

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/LINF7276KYNKRYRSX2W7LBMOWF \
  | 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: 5a1a5febfe561aa8e232beadf5858eb15116ab0f7343b2f0bdc469cf00b5a9be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0041da888426cfbf028a71170071aec838d254810dcf1a6f2e500d37126f8563",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-03-12T19:25:06Z",
    "title_canon_sha256": "567dd15178bbdef10312aeb883881e2735bdcb0ddeedc61ceeaf2da19438005b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.06733",
    "kind": "arxiv",
    "version": 3
  }
}