Pith Number

pith:ZAWTWILF

pith:2024:ZAWTWILFIEBCA3NURPT3JAAIKW

not attested not anchored not stored refs pending

The possible long-term periodic variability of the extremely luminous quasar WISE J090924.01+000211.1

Hibiki Seki, Ichiro Takahashi, Katsuhiro L. Murata, Keisuke Isogai, Mahito Sasada, Masafumi Niwano, Narikazu Higuchi, Rikuto Sato, Shunsuke Hayatsu, Takashi Horiuchi, Toru Misawa, Yoichi Yatsu, Yoshiki Toba, Yumiko Oasa

arxiv:2412.19573 v1 · 2024-12-27 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAWTWILFIEBCA3NURPT3JAAIKW}

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	2026-07-05T09:54:38.137167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c82d3b21654102206db48be7b4800855b5271768f22e3ec90a7ca1734da7ab47

Aliases

arxiv: 2412.19573 · arxiv_version: 2412.19573v1 · doi: 10.48550/arxiv.2412.19573 · pith_short_12: ZAWTWILFIEBC · pith_short_16: ZAWTWILFIEBCA3NU · pith_short_8: ZAWTWILF

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/ZAWTWILFIEBCA3NURPT3JAAIKW \
  | 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: c82d3b21654102206db48be7b4800855b5271768f22e3ec90a7ca1734da7ab47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd43bae22be7e5236ed4b0b74de50cd0aca9866d902bf3d59be530813151ecf0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-12-27T10:33:11Z",
    "title_canon_sha256": "f5c0b6a55cd63902f60631ab07c5f73ce758c1755988df8024e3aa05863bcdef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.19573",
    "kind": "arxiv",
    "version": 1
  }
}