Pith Number

pith:4XSBMBY7

pith:2016:4XSBMBY7M7ZWOIKHJDSNK7HWIX

not attested not anchored not stored refs pending

Correcting CIV-Based Virial Black Hole Masses

Gordon T. Richards, Joseph F. Hennawi, J. Xavier Prochaska, Liam Coatman, Manda Banerji, Paul C. Hewett

arxiv:1610.08977 v2 · 2016-10-27 · 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{4XSBMBY7M7ZWOIKHJDSNK7HWIX}

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	2026-05-18T00:52:25.227616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e416071f67f367214748e4d57cf645e52c39f291b39f44107dabf049ea1b8d

Aliases

arxiv: 1610.08977 · arxiv_version: 1610.08977v2 · doi: 10.48550/arxiv.1610.08977 · pith_short_12: 4XSBMBY7M7ZW · pith_short_16: 4XSBMBY7M7ZWOIKH · pith_short_8: 4XSBMBY7

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/4XSBMBY7M7ZWOIKHJDSNK7HWIX \
  | 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: e5e416071f67f367214748e4d57cf645e52c39f291b39f44107dabf049ea1b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5212d30bed6311ecd40666e0c840baa4c909db50b7ca3687e4f87593fab8c40f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-27T20:00:01Z",
    "title_canon_sha256": "d76518078f5771bdbaecee6cca7bee300691fa8d636425b51103505997b22b45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08977",
    "kind": "arxiv",
    "version": 2
  }
}