Pith Number

pith:D7GQDTCF

pith:2014:D7GQDTCFM2O7JQ5332LLIAITU6

not attested not anchored not stored refs pending

Single-Epoch Black Hole Mass Estimators For Broad-Line Active Galactic Nuclei: Recalibrating Hbeta with A New Approach

Hong Li, Hua Feng, Yue Shen

arxiv:1408.6952 v1 · 2014-08-29 · 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{D7GQDTCFM2O7JQ5332LLIAITU6}

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	2026-05-18T02:41:59.223020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fcd01cc45669df4c3bbde96b40113a7a510ce38ff5dd2d841c34f8c9f607fb9

Aliases

arxiv: 1408.6952 · arxiv_version: 1408.6952v1 · doi: 10.48550/arxiv.1408.6952 · pith_short_12: D7GQDTCFM2O7 · pith_short_16: D7GQDTCFM2O7JQ53 · pith_short_8: D7GQDTCF

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/D7GQDTCFM2O7JQ5332LLIAITU6 \
  | 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: 1fcd01cc45669df4c3bbde96b40113a7a510ce38ff5dd2d841c34f8c9f607fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfa7713f3de52e4d00cfc1324f0c4635894c65d035d260535f3790a8977b3844",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-29T08:35:45Z",
    "title_canon_sha256": "8be6211641cfab31a73f18534feee24223fa5ae256384b8fc35a54e199025c05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6952",
    "kind": "arxiv",
    "version": 1
  }
}