Pith Number

pith:YNYW62UT

pith:2018:YNYW62UT5RYBWBYPUMYOEMQEND

not attested not anchored not stored refs pending

A Deeply Buried Narrow-Line Seyfert 1 Nucleus Uncovered in Scattered Light

A. Eckart, Chenwei Yang, Dawei Xu, Honglin Lu, Hongyan Zhou, Jens Dierkes, Luming Sun, Ning Jiang, Paul S. Smith, Peng Jiang, Shaohua Zhang, S. Komossa, Weimin Yuan, Wenjuan Liu, Xiang Pan, Y. E. Rashed

arxiv:1811.06674 v2 · 2018-11-16 · 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{YNYW62UT5RYBWBYPUMYOEMQEND}

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	2026-07-05T00:11:18.670056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3716f6a93ec701b070fa330e2320468fb0855a10ff91ec0dfaf168741312723

Aliases

arxiv: 1811.06674 · arxiv_version: 1811.06674v2 · doi: 10.48550/arxiv.1811.06674 · pith_short_12: YNYW62UT5RYB · pith_short_16: YNYW62UT5RYBWBYP · pith_short_8: YNYW62UT

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/YNYW62UT5RYBWBYPUMYOEMQEND \
  | 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: c3716f6a93ec701b070fa330e2320468fb0855a10ff91ec0dfaf168741312723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "560d41fc8cfd55e34787bca70086c4b5c1f4c2cbe2116762486929973802fd3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-16T04:09:03Z",
    "title_canon_sha256": "faad9dba975bfbe87e8c3a7451ba26a2975779087b0bf7e2c56a29c30d8bac1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06674",
    "kind": "arxiv",
    "version": 2
  }
}