Pith Number

pith:BL33YEEK

pith:2014:BL33YEEKLMYXOZ5JIIG5IIOFZZ

not attested not anchored not stored refs pending

The Black Hole Mass Function Derived from Local Spiral Galaxies

Benjamin L. Davis, Claud H. S. Lacy, Daniel Kennefick, Douglas W. Shields, Joel C. Berrier, Julia Kennefick, Lucas Johns, Marc S. Seigar, Matthew T. Hartley

arxiv:1405.5876 v3 · 2014-05-22 · 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{BL33YEEKLMYXOZ5JIIG5IIOFZZ}

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	2026-05-18T00:26:02.569810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0af7bc108a5b317767a9420dd421c5ce643623bd82280cf81e0c2fb0ecdda5cd

Aliases

arxiv: 1405.5876 · arxiv_version: 1405.5876v3 · doi: 10.48550/arxiv.1405.5876 · pith_short_12: BL33YEEKLMYX · pith_short_16: BL33YEEKLMYXOZ5J · pith_short_8: BL33YEEK

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/BL33YEEKLMYXOZ5JIIG5IIOFZZ \
  | 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: 0af7bc108a5b317767a9420dd421c5ce643623bd82280cf81e0c2fb0ecdda5cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07e3b1ffadac167e8a0f9e0c67f267f5fb6549b156d5e301484aa18fde4608b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-22T20:00:05Z",
    "title_canon_sha256": "21fb34d1582d998f17d523ac01357a3eebe004dafe09671e281f7d6bc60c79d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5876",
    "kind": "arxiv",
    "version": 3
  }
}