Pith Number

pith:LO3LPFBT

pith:2019:LO3LPFBTZBW2SRBKN3JPNQWO26

not attested not anchored not stored refs pending

1ES 1927+654: An AGN Caught Changing Look on a Timescale of Months

Alexei V. Filippenko, Armin Rest, Benjamin J. Shappee, Benny Trakhtenbrot, Chelsea L. MacLeod, Claudio Ricci, Daichi Hiramatsu, D. Andrew Howell, Daniel Stern, David Bersier, Erin Kara, Fiona A. Harrison, Griffin Hosseinzadeh, Iair Arcavi, Jamison Burke, Jose L. Prieto, Melissa L. Graham, Michael Loewenstein, Ronald A. Remillard, Ruancun Li, Stephen J. Smartt, Thomas G. Brink, Thomas W.-S. Holoien, Weikang Zheng

arxiv:1903.11084 v2 · 2019-03-26 · 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{LO3LPFBTZBW2SRBKN3JPNQWO26}

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

The emergence of X-ray emission lines during relativistic radio-jet formation in the changing-look active galactic nucleus 1ES 1927+654

Receipt and verification

First computed	2026-07-05T00:08:56.654464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bb6b79433c86da9442a6ed2f6c2ced7810ed1e7042adf696b07abba2d069757

Aliases

arxiv: 1903.11084 · arxiv_version: 1903.11084v2 · doi: 10.48550/arxiv.1903.11084 · pith_short_12: LO3LPFBTZBW2 · pith_short_16: LO3LPFBTZBW2SRBK · pith_short_8: LO3LPFBT

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/LO3LPFBTZBW2SRBKN3JPNQWO26 \
  | 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: 5bb6b79433c86da9442a6ed2f6c2ced7810ed1e7042adf696b07abba2d069757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb747d18d655e64d6b7c6bb8374f6957c21c2e3fca93b676e9ff0d5fc24ccd5d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-26T18:00:10Z",
    "title_canon_sha256": "69fdc7112bca7c1382876c049126c135bf521a0014819bc094dc0f132e54c958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11084",
    "kind": "arxiv",
    "version": 2
  }
}