Pith Number

pith:AH5POSIQ

pith:2021:AH5POSIQZ5XTSPESEV7LLIX5WI

not attested not anchored not stored refs pending

How does the Polar Dust affect the Correlation between Dust Covering Factor and Eddington Ratio in Type 1 Quasars Selected from the Sloan Digital Sky Survey Data Release 16?

Bau-ching Hsieh, Claudio Ricci, Denis Burgarella, Hideo Matsuhara, Poshak Gandhi, Shinki Oyabu, Tohru Nagao, Veronique Buat, Yoshihiro Ueda, Yoshiki Toba

arxiv:2102.04620 v1 · 2021-02-09 · 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{AH5POSIQZ5XTSPESEV7LLIX5WI}

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	2026-07-05T02:41:14.508417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01faf74910cf6f393c92257eb5a2fdb214ac16160795e6032170698a41e2162b

Aliases

arxiv: 2102.04620 · arxiv_version: 2102.04620v1 · doi: 10.48550/arxiv.2102.04620 · pith_short_12: AH5POSIQZ5XT · pith_short_16: AH5POSIQZ5XTSPES · pith_short_8: AH5POSIQ

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/AH5POSIQZ5XTSPESEV7LLIX5WI \
  | 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: 01faf74910cf6f393c92257eb5a2fdb214ac16160795e6032170698a41e2162b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c36238cb426fcd1785ad3656a0ea588e9dd5a083355ad972e0607d0544ca75b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-09T03:03:43Z",
    "title_canon_sha256": "8ca90172d69b3294629673d33829c1cd0f1dde660db39c80a2d24baac1e80122"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04620",
    "kind": "arxiv",
    "version": 1
  }
}