Pith Number

pith:VMBNQ2EI

pith:2024:VMBNQ2EITI32JQTW2Q3IDMHU6A

not attested not anchored not stored refs pending

The changing-look AGN SDSS J101152.98+544206.4 is returning to a type I state

Bing Lyu, Feige Wang, Hao Liu, Huimei Wang, Jinyi Yang, Junjie Jin, Qingwen Wu, Rui Zhu, Shi-Ju Kang, Wenfei Yu, Xue-Bing Wu, Yuming Fu, Yuxuan Pang, Zhen Yan

arxiv:2412.16879 v1 · 2024-12-22 · 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{VMBNQ2EITI32JQTW2Q3IDMHU6A}

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	2026-07-05T09:53:14.144557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab02d868889a37a4c276d43681b0f4f00f91275c01da041115ed78f1fec63c48

Aliases

arxiv: 2412.16879 · arxiv_version: 2412.16879v1 · doi: 10.48550/arxiv.2412.16879 · pith_short_12: VMBNQ2EITI32 · pith_short_16: VMBNQ2EITI32JQTW · pith_short_8: VMBNQ2EI

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/VMBNQ2EITI32JQTW2Q3IDMHU6A \
  | 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: ab02d868889a37a4c276d43681b0f4f00f91275c01da041115ed78f1fec63c48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44ec73603ea7efec9f0a47f929f76f0071182f40122c375f35c970dcd445fe97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-12-22T06:16:21Z",
    "title_canon_sha256": "7bb906954f2b091c6e794d48034eadc2dd2f59808b2eb348c50a354aac333fbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.16879",
    "kind": "arxiv",
    "version": 1
  }
}