Pith Number

pith:QWNOIJJK

pith:2019:QWNOIJJKYHCFQVJ6WNQ76DYG3M

not attested not anchored not stored refs pending

The Million Quasars (Milliquas) Catalogue, v6.4

Eric W. Flesch

arxiv:1912.05614 v1 · 2019-12-11 · 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{QWNOIJJKYHCFQVJ6WNQ76DYG3M}

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.

Cited by

1 paper in Pith

An Exploratory Analysis of New Large Gaia-informed Quasar Samples in SDSS-V

Receipt and verification

First computed	2026-07-05T00:25:40.896430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859ae4252ac1c458553eb361ff0f06db316e9e37c4f44cc1496e1bcb63e829a8

Aliases

arxiv: 1912.05614 · arxiv_version: 1912.05614v1 · doi: 10.48550/arxiv.1912.05614 · pith_short_12: QWNOIJJKYHCF · pith_short_16: QWNOIJJKYHCFQVJ6 · pith_short_8: QWNOIJJK

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/QWNOIJJKYHCFQVJ6WNQ76DYG3M \
  | 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: 859ae4252ac1c458553eb361ff0f06db316e9e37c4f44cc1496e1bcb63e829a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bbbe6bbe757c3d870b29acef82d620c8501c3017ca31c7d260583f1e27d0996",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-11T20:38:50Z",
    "title_canon_sha256": "240f9b8b120b4dce34d4d2f7f58149d7c7e1209fc9f375366607dceab2531b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05614",
    "kind": "arxiv",
    "version": 1
  }
}