Pith Number

pith:73S3P2W6

pith:2025:73S3P2W6D2NFRLYKFMEJHF3AKC

not attested not anchored not stored refs pending

The physical mechanism of radio-quiet turn-on changing-look active galactic nuclei

Shuang-Liang Li, Xinwu Cao

arxiv:2507.03324 v1 · 2025-07-04 · 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{73S3P2W6D2NFRLYKFMEJHF3AKC}

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	2026-07-05T11:31:57.144287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fee5b7eade1e9a58af0a2b0893976050a0a6a04cd4af2ce65cd2e0edb7c66371

Aliases

arxiv: 2507.03324 · arxiv_version: 2507.03324v1 · doi: 10.48550/arxiv.2507.03324 · pith_short_12: 73S3P2W6D2NF · pith_short_16: 73S3P2W6D2NFRLYK · pith_short_8: 73S3P2W6

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/73S3P2W6D2NFRLYKFMEJHF3AKC \
  | 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: fee5b7eade1e9a58af0a2b0893976050a0a6a04cd4af2ce65cd2e0edb7c66371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "292fc887263e4c6146c61d981866d598d9848d8671760c84829cb001821ebaf0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-04T06:18:43Z",
    "title_canon_sha256": "dc27c8354ca08df9d0b625ca111e2ddd74ed3dfea38b1fd3f3a4fddfcdc145be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03324",
    "kind": "arxiv",
    "version": 1
  }
}