Pith Number

pith:I7RXJTPF

pith:2022:I7RXJTPF2LLCOX6OSRJKB5VFNN

not attested not anchored not stored refs pending

A Catalog of Quasar Properties from Sloan Digital Sky Survey Data Release 16

Qiaoya Wu, Yue Shen

arxiv:2209.03987 v1 · 2022-09-08 · astro-ph.GA · 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{I7RXJTPF2LLCOX6OSRJKB5VFNN}

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

3 papers in Pith

A hierarchical Bayesian framework for cosmology using Type 1 AGN variability

Estimation of black hole spins in low-mass AGNs and comparison with other types of AGNs

The Sensitivity of Substructure Lensing to SIDM Core-collapse Model Variation

Receipt and verification

First computed	2026-07-05T05:25:05.757653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47e374cde5d2d6275fce9452a0f6a56b62df5da3c6bbc4692b3839f334b04658

Aliases

arxiv: 2209.03987 · arxiv_version: 2209.03987v1 · doi: 10.48550/arxiv.2209.03987 · pith_short_12: I7RXJTPF2LLC · pith_short_16: I7RXJTPF2LLCOX6O · pith_short_8: I7RXJTPF

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/I7RXJTPF2LLCOX6OSRJKB5VFNN \
  | 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: 47e374cde5d2d6275fce9452a0f6a56b62df5da3c6bbc4692b3839f334b04658

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d4b049a2321844d94c4ca7306ae583e8a79d102e2bdcb6eaf77723b327f77d0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-09-08T18:12:32Z",
    "title_canon_sha256": "8babf541e1ddfca1fdc90f71780832f312155fd4de6df975e6684ba25ec4b6b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.03987",
    "kind": "arxiv",
    "version": 1
  }
}