Pith Number

pith:CNJW5RTS

pith:2018:CNJW5RTSSS5VTL5DDULQPP6V7S

not attested not anchored not stored refs pending

The Size-Luminosity Relationship of Quasar Narrow-Line Regions

Nadia Zakamska, Ross Dempsey

arxiv:1804.05848 v1 · 2018-04-16 · 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{CNJW5RTSSS5VTL5DDULQPP6V7S}

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	2026-05-18T00:17:03.126071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13536ec67294bb59afa31d1707bfd5fcb50f7654dcdeb9a360e22622771b0088

Aliases

arxiv: 1804.05848 · arxiv_version: 1804.05848v1 · doi: 10.48550/arxiv.1804.05848 · pith_short_12: CNJW5RTSSS5V · pith_short_16: CNJW5RTSSS5VTL5D · pith_short_8: CNJW5RTS

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/CNJW5RTSSS5VTL5DDULQPP6V7S \
  | 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: 13536ec67294bb59afa31d1707bfd5fcb50f7654dcdeb9a360e22622771b0088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a693969cd4d0533362c18fad2aaf46b468efcad1065ddb46a6271fa8c01609aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-16T18:00:02Z",
    "title_canon_sha256": "1099d1797ecf97715258d5c4db84e22119ab803a126bd1ecd007acf600a8eecd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05848",
    "kind": "arxiv",
    "version": 1
  }
}