Pith Number

pith:246353WV

pith:2020:246353WV45YTKLYIFSAFFVJTMH

not attested not anchored not stored refs pending

The Sloan Digital Sky Survey Reverberation Mapping Project: Estimating Masses of Black Holes in Quasars with Single-Epoch Spectroscopy

Alessandro Pizzella, Bradley M. Peterson, Catherine J. Grier, C. S. Kochanek, D. P. Schneider, Elena Dalla Bonta`, Gisella De Rosa, Gloria Fonseca Alvarez, Jennifer I-Hsiu Li, J. R. Trump, Juan V. Hernandez Santisteban, Keith Horne, Lorenzo Morelli, Luis C. Ho, Marianne Vestergaard, Misty C. Bentz, P. B. Hall, R. W. Pogge, Stefano Ciroi, W. N. Brandt, Y. Homayouni, Yue Shen

arxiv:2007.02963 v2 · 2020-07-06 · 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{246353WV45YTKLYIFSAFFVJTMH}

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	2026-07-05T01:52:21.639578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d73dbeeed5e771352f082c8052d53361e0581180da98834627fa0153d6a59fc3

Aliases

arxiv: 2007.02963 · arxiv_version: 2007.02963v2 · doi: 10.48550/arxiv.2007.02963 · pith_short_12: 246353WV45YT · pith_short_16: 246353WV45YTKLYI · pith_short_8: 246353WV

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/246353WV45YTKLYIFSAFFVJTMH \
  | 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: d73dbeeed5e771352f082c8052d53361e0581180da98834627fa0153d6a59fc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac14f294cf89ccbad8f88e4248dead172a7938ddc7a3bd48d32824b8e3c5f3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-06T18:00:10Z",
    "title_canon_sha256": "f30c0b51bbee49270accfa26c2870a92325fe50f764788ecd8de195ae04f459f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02963",
    "kind": "arxiv",
    "version": 2
  }
}