Pith Number

pith:7W6VNCXE

pith:2024:7W6VNCXEKLWYGIDFJDXLUWVQTH

not attested not anchored not stored refs pending

A Systematic Search for Candidate Supermassive Black Hole Binaries Using Periodic Mid-Infrared Light Curves of Active Galactic Nuclei

Di Luo, Ning Jiang, Xin Liu

arxiv:2411.06902 v2 · 2024-11-11 · 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{7W6VNCXEKLWYGIDFJDXLUWVQTH}

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	2026-07-05T09:34:22.900796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdbd568ae452ed83206548eeba5ab099e3adcd39c17df4f241fb8652a97516ed

Aliases

arxiv: 2411.06902 · arxiv_version: 2411.06902v2 · doi: 10.48550/arxiv.2411.06902 · pith_short_12: 7W6VNCXEKLWY · pith_short_16: 7W6VNCXEKLWYGIDF · pith_short_8: 7W6VNCXE

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/7W6VNCXEKLWYGIDFJDXLUWVQTH \
  | 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: fdbd568ae452ed83206548eeba5ab099e3adcd39c17df4f241fb8652a97516ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d7d2ef0b9dd5b2d751e2be8f960aa2c3249b4db55f5e95ceaadd575a5bbe0e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-11-11T12:00:37Z",
    "title_canon_sha256": "b40da0a9db9bf20be348933ca9d582264e9837b480d4cac275c5a180b61f4dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.06902",
    "kind": "arxiv",
    "version": 2
  }
}