Pith Number

pith:RNPXDY6T

pith:2015:RNPXDY6TWAQY2KOSY6X5RMG54S

not attested not anchored not stored refs pending

Bias in C IV-based quasar black hole mass scaling relationships from reverberation mapped samples

J. C. Runnoe, M. A. DiPompeo, Michael S. Brotherton, Zhaohui Shang

arxiv:1504.03427 v1 · 2015-04-14 · 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{RNPXDY6TWAQY2KOSY6X5RMG54S}

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	2026-05-18T02:18:50.992940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b5f71e3d3b0218d29d2c7afd8b0dde4b8b6ba10a9ea051cacf9200a02f22f60

Aliases

arxiv: 1504.03427 · arxiv_version: 1504.03427v1 · doi: 10.48550/arxiv.1504.03427 · pith_short_12: RNPXDY6TWAQY · pith_short_16: RNPXDY6TWAQY2KOS · pith_short_8: RNPXDY6T

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/RNPXDY6TWAQY2KOSY6X5RMG54S \
  | 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: 8b5f71e3d3b0218d29d2c7afd8b0dde4b8b6ba10a9ea051cacf9200a02f22f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "302dbbe972a41f8473517b6e41411f3e2ee4d7c5ef2d540e290d49517f7f29a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-14T06:15:23Z",
    "title_canon_sha256": "2120d2100d6e2df3309cb5b44a7cde7be2bf7a52c6ee0ca325e5ed821d8dc69a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03427",
    "kind": "arxiv",
    "version": 1
  }
}