Pith Number

pith:XCPSJ5SQ

pith:2011:XCPSJ5SQQL7EUSCUMWBWBBS7K7

not attested not anchored not stored refs pending

Optical emission line properties of a sample of the broad-line AGNs: the Baldwin effect and eigenvector 1

Jelena Kovacevic, Luka C. Popovic

arxiv:1106.3021 v1 · 2011-06-15 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XCPSJ5SQQL7EUSCUMWBWBBS7K7}

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	2026-05-18T02:01:36.813903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b89f24f65082fe4a4854658360865f57f1f425a923792eddffc6e537d64a495e

Aliases

arxiv: 1106.3021 · arxiv_version: 1106.3021v1 · doi: 10.48550/arxiv.1106.3021 · pith_short_12: XCPSJ5SQQL7E · pith_short_16: XCPSJ5SQQL7EUSCU · pith_short_8: XCPSJ5SQ

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/XCPSJ5SQQL7EUSCUMWBWBBS7K7 \
  | 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: b89f24f65082fe4a4854658360865f57f1f425a923792eddffc6e537d64a495e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a61b7d7a4418a5717043175240a92b92685c8849dcc4b5970ca49e5313fb45b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-15T16:47:22Z",
    "title_canon_sha256": "31af9c0eb584038f0d1e9603aeda2d8c8d66f526a0d2da424439789b5a8cefd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3021",
    "kind": "arxiv",
    "version": 1
  }
}