Pith Number

pith:ED7DNZ3U

pith:2014:ED7DNZ3UWD4MPXEQSYCGEREQYW

not attested not anchored not stored refs pending

A Local Baseline of the Black Hole Mass Scaling Relations for Active Galaxies. III. The BH mass - $\sigma$ relation

Chelsea E. Harris, Daeseong Park, Jong-Hak Woo, Maren Cosens, Matthew A. Malkan, Matthew W. Auger, Rebecca Rosen, Tommaso Treu, Vardha N. Bennert

arxiv:1409.4428 v2 · 2014-09-15 · 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{ED7DNZ3UWD4MPXEQSYCGEREQYW}

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	2026-05-18T01:35:12.034895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20fe36e774b0f8c7dc909604624490c5a507925b15a14d560e78b45fe4f0eafd

Aliases

arxiv: 1409.4428 · arxiv_version: 1409.4428v2 · doi: 10.48550/arxiv.1409.4428 · pith_short_12: ED7DNZ3UWD4M · pith_short_16: ED7DNZ3UWD4MPXEQ · pith_short_8: ED7DNZ3U

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/ED7DNZ3UWD4MPXEQSYCGEREQYW \
  | 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: 20fe36e774b0f8c7dc909604624490c5a507925b15a14d560e78b45fe4f0eafd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ecce132ba25659f4ae2eb78acffcb7d01209854704b5d44f040f58a2c20908a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-15T20:00:19Z",
    "title_canon_sha256": "3f3b7815f170d8bf27f3d163978ef076fab5855cbd81a833943f5a7502ec5107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4428",
    "kind": "arxiv",
    "version": 2
  }
}