Pith Number

pith:O2X57NVK

pith:2020:O2X57NVKFZVGRJAV2VXW7VDNFS

not attested not anchored not stored refs pending

Monitoring AGNs with H\beta\ Asymmetry. II. Reverberation Mapping of Three Seyfert Galaxies Historically Displaying H\beta\ Profiles with Changing Asymmetry: Mrk 79, NGC 3227, and Mrk 841

Bixuan Zhao, Chen Hu, David H. Kasper, Derek Hand, Dong-Wei Bao, Jacob N. McLane, Jaya Maithil, Jian-Min Wang, Jin-Ming Bai, Kai Wang, Kianna A. Olson, Luis C. Ho, Michael S. Brotherton, Ming Xiao, My L. Nguyen, Pu Du, Wei-Hao Bian, William T. Chick, Yan-Rong Li, Zheng-Peng Huang

arxiv:2011.05902 v1 · 2020-11-11 · 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{O2X57NVKFZVGRJAV2VXW7VDNFS}

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	2026-07-05T02:01:17.268008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76afdfb6aa2e6a68a415d56f6fd46d2c9ae30b316b7095684e91673a59ac1f52

Aliases

arxiv: 2011.05902 · arxiv_version: 2011.05902v1 · doi: 10.48550/arxiv.2011.05902 · pith_short_12: O2X57NVKFZVG · pith_short_16: O2X57NVKFZVGRJAV · pith_short_8: O2X57NVK

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/O2X57NVKFZVGRJAV2VXW7VDNFS \
  | 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: 76afdfb6aa2e6a68a415d56f6fd46d2c9ae30b316b7095684e91673a59ac1f52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85c4f1e13222ff8e28a3008043bda9c230e63beae5e6b01de952a6d4582a82fb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-11-11T16:47:40Z",
    "title_canon_sha256": "dc11b30823b966e5ded59bfec9aef96bb9713554562f9d5a38b077b6cda5cc53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.05902",
    "kind": "arxiv",
    "version": 1
  }
}