Pith Number

pith:LRPEOHSI

pith:2019:LRPEOHSIKB3PADLZKENVAJZ6KW

not attested not anchored not stored refs pending

Quasar emission lines as virial luminosity estimators

A. Del Olmo, C. A. Negrete, D. Dultzin, E. Bon, G. M. Stirpe, M. D'Onofrio, M. L. Martinez-Aldama, N. Bon, P. Marziani

arxiv:1908.08700 v1 · 2019-08-23 · 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{LRPEOHSIKB3PADLZKENVAJZ6KW}

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	2026-07-05T00:36:32.187131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5e471e485076f00d79511b50273e559aec9f1f383fdddb44b07944d21cbb2f

Aliases

arxiv: 1908.08700 · arxiv_version: 1908.08700v1 · doi: 10.48550/arxiv.1908.08700 · pith_short_12: LRPEOHSIKB3P · pith_short_16: LRPEOHSIKB3PADLZ · pith_short_8: LRPEOHSI

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/LRPEOHSIKB3PADLZKENVAJZ6KW \
  | 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: 5c5e471e485076f00d79511b50273e559aec9f1f383fdddb44b07944d21cbb2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f4a30fecefca91015184873c0796761c6b6cc5406275bd939c77f81efb49090",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-23T07:18:55Z",
    "title_canon_sha256": "f0cb1b73d832d9a19a394ec9760465f4c7357bfe367bfc6368a2113b347a066d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08700",
    "kind": "arxiv",
    "version": 1
  }
}