Pith Number

pith:K5PNNTPJ

pith:2017:K5PNNTPJEYL7LIZYFRJUMG2U2L

not attested not anchored not stored refs pending

The intrinsic Baldwin effect in broad Balmer lines of six long-term monitored AGNs

Alla I. Shapovalova, Dragana Ilic, Giovanni La Mura, Luka C. Popovic, Nemanja Rakic, Piero Rafanelli, Wolfram Kollatschny

arxiv:1703.06188 v2 · 2017-03-17 · 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{K5PNNTPJEYL7LIZYFRJUMG2U2L}

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	2026-05-18T00:40:30.433190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

575ed6cde92617f5a3382c53461b54d2de2161c156d76efdb9748d7f6df5b2e9

Aliases

arxiv: 1703.06188 · arxiv_version: 1703.06188v2 · doi: 10.48550/arxiv.1703.06188 · pith_short_12: K5PNNTPJEYL7 · pith_short_16: K5PNNTPJEYL7LIZY · pith_short_8: K5PNNTPJ

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/K5PNNTPJEYL7LIZYFRJUMG2U2L \
  | 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: 575ed6cde92617f5a3382c53461b54d2de2161c156d76efdb9748d7f6df5b2e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "392c9806ce05604270ec2778639a7efc6366cbc5bb4ba9edf6dbc14801c0e5ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-17T20:22:28Z",
    "title_canon_sha256": "a1b826fe22da00c89d7b53a3597d85f3aa75a193c60c0c6226e515ff49d34253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06188",
    "kind": "arxiv",
    "version": 2
  }
}