Pith Number

pith:NCWOSCYW

pith:2018:NCWOSCYW55RGUWYUIIT3I4YJIA

not attested not anchored not stored refs pending

Highly accreting quasars: The SDSS low-redshift catalog

A. Del Olmo, A. Garcia-Lopez, C. A. Negrete, D. Dultzin, D. Esparza, E. Bon, J. W. Sulentic, M. D'Onofrio, M. L. Martinez-Aldama, N. Bon, P. Marziani

arxiv:1809.08310 v1 · 2018-09-21 · 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{NCWOSCYW55RGUWYUIIT3I4YJIA}

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	2026-05-17T23:58:37.565585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68ace90b16ef626a5b144227b47309401eb85f2be2d1e4960f1d9e30598769b4

Aliases

arxiv: 1809.08310 · arxiv_version: 1809.08310v1 · doi: 10.48550/arxiv.1809.08310 · pith_short_12: NCWOSCYW55RG · pith_short_16: NCWOSCYW55RGUWYU · pith_short_8: NCWOSCYW

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/NCWOSCYW55RGUWYUIIT3I4YJIA \
  | 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: 68ace90b16ef626a5b144227b47309401eb85f2be2d1e4960f1d9e30598769b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d5d5627bfe213e9a3345e93810271ac5c4f5b0a1ec534fdec52c4a7e35b266",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-21T21:03:30Z",
    "title_canon_sha256": "13983b30ce72aea09f487641134384fef7942a29c8340aa52704530295ef51a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08310",
    "kind": "arxiv",
    "version": 1
  }
}