Pith Number

pith:UL3OWXKB

pith:2016:UL3OWXKB4SXOV6ZLOLFUKM2Z2H

not attested not anchored not stored refs pending

Novel calibrations of virial black hole mass estimators in active galaxies based on X-ray luminosity and optical/NIR emission lines

(2) SRON, 3), (3) Department of Astrophysics/IMAPP), Dipartimento Matematica e Fisica, F. La Franca (1), F. Onori (2, F. Ricci (1), Netherlands Institute for Space Research, S. Bianchi (1) ((1) Universit\`a Roma Tre

arxiv:1610.03490 v1 · 2016-10-11 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UL3OWXKB4SXOV6ZLOLFUKM2Z2H}

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	2026-05-18T00:51:43.496902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2f6eb5d41e4aeeafb2b72cb453359d1f1733ad60c725e7798963240f465fea2

Aliases

arxiv: 1610.03490 · arxiv_version: 1610.03490v1 · doi: 10.48550/arxiv.1610.03490 · pith_short_12: UL3OWXKB4SXO · pith_short_16: UL3OWXKB4SXOV6ZL · pith_short_8: UL3OWXKB

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/UL3OWXKB4SXOV6ZLOLFUKM2Z2H \
  | 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: a2f6eb5d41e4aeeafb2b72cb453359d1f1733ad60c725e7798963240f465fea2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "409980e52c625c0d00c5d45f8c73bca92ba9b75a80fc56d05f513bd9599c3671",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-11T20:00:02Z",
    "title_canon_sha256": "30a31ae7e7f5834c0efe140afaf7b91aae71dd0840fff7a716322c8fa8a5a725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03490",
    "kind": "arxiv",
    "version": 1
  }
}