Pith Number

pith:2LKTQRK7

pith:2018:2LKTQRK7DYHE4KHOYHOZWEDFPA

not attested not anchored not stored refs pending

Supermassive black holes with high accretion rates in active galactic nuclei. VII. Reconstruction of velocity-delay maps by maximum entropy method

Chen Hu, Fang Wang, Jian-Min Wang, Jie Qiu, Jin-Ming Bai, Kai-Xing Lu, Keith D. Horne, Luis C. Ho, Ming Xiao, Pu Du, Weihao Bian, Yan-Rong Li, Ye-Fei Yuan, Ying-Ke Huang

arxiv:1808.00705 v1 · 2018-08-02 · 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{2LKTQRK7DYHE4KHOYHOZWEDFPA}

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	2026-05-18T00:05:30.071965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2d538455f1e0e4e28eec1dd9b1065782c368fb6d96e515718d689b388e784ad

Aliases

arxiv: 1808.00705 · arxiv_version: 1808.00705v1 · doi: 10.48550/arxiv.1808.00705 · pith_short_12: 2LKTQRK7DYHE · pith_short_16: 2LKTQRK7DYHE4KHO · pith_short_8: 2LKTQRK7

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/2LKTQRK7DYHE4KHOYHOZWEDFPA \
  | 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: d2d538455f1e0e4e28eec1dd9b1065782c368fb6d96e515718d689b388e784ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e102731c24094f8e6eccd1e8af8a3c293fddeddd15453b03fc07c9b062db0520",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-02T08:06:19Z",
    "title_canon_sha256": "d173682a24c7ac65dcf86739301bc86c1f80033d2b3fe61d9c060595a022665e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00705",
    "kind": "arxiv",
    "version": 1
  }
}