Pith Number

pith:RHSPWD4Z

pith:2015:RHSPWD4ZO35QLTFQPRPO6HHJLQ

not attested not anchored not stored refs pending

The Sloan Digital Sky Survey Reverberation Mapping Project: Ensemble Spectroscopic Variability of Quasar Broad Emission Lines

Audrey Simmons, Daniel Oravetz, Dmitry Bizyaev, Donald P. Schneider, Gordon T. Richards, Jonathan R. Trump, Kaike Pan, Karen Kinemuchi, Keith Horne, Kelly D. Denney, Kyle Dawson, Linhua Jiang, Luis C. Ho, Mouyuan Sun, Patrick B. Hall, W. N. Brandt, Yue Shen

arxiv:1506.07886 v2 · 2015-06-25 · 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{RHSPWD4ZO35QLTFQPRPO6HHJLQ}

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	2026-05-18T01:32:28.977354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89e4fb0f9976fb05ccb07c5eef1ce95c3107c0d525042a61f00c8ea79ba0d9c1

Aliases

arxiv: 1506.07886 · arxiv_version: 1506.07886v2 · doi: 10.48550/arxiv.1506.07886 · pith_short_12: RHSPWD4ZO35Q · pith_short_16: RHSPWD4ZO35QLTFQ · pith_short_8: RHSPWD4Z

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/RHSPWD4ZO35QLTFQPRPO6HHJLQ \
  | 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: 89e4fb0f9976fb05ccb07c5eef1ce95c3107c0d525042a61f00c8ea79ba0d9c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74234527af33d375e72223f00544e1c049704e48cd42adedfe1ce049a0124778",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-25T20:04:11Z",
    "title_canon_sha256": "065c87b19b07c9c95c36909cffe819fc9821e5aeb163dc0b1328c990e3d43df4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07886",
    "kind": "arxiv",
    "version": 2
  }
}