Pith Number

pith:4HBQM5HA

pith:2014:4HBQM5HAPHBUHTNRIUYS5V4I5R

not attested not anchored not stored refs pending

Scaling relations between black holes and their host galaxies: comparing theoretical and observational measurements, and the impact of selection effects

Colin DeGraf, Daeseong Park, Jong-Hak Woo, Tiziana Di Matteo, Tommaso Treu, Yu Feng

arxiv:1412.4133 v2 · 2014-12-12 · 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{4HBQM5HAPHBUHTNRIUYS5V4I5R}

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	2026-05-18T01:31:03.477600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1c30674e079c343cdb145312ed788ec766eb5b18e9c97bc7328057076a2dffe

Aliases

arxiv: 1412.4133 · arxiv_version: 1412.4133v2 · doi: 10.48550/arxiv.1412.4133 · pith_short_12: 4HBQM5HAPHBU · pith_short_16: 4HBQM5HAPHBUHTNR · pith_short_8: 4HBQM5HA

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/4HBQM5HAPHBUHTNRIUYS5V4I5R \
  | 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: e1c30674e079c343cdb145312ed788ec766eb5b18e9c97bc7328057076a2dffe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "109d05ec29d5e73d5f6c215c3675c99db19a805e88bbfa1f0ba6844011a3dd20",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-12T21:10:56Z",
    "title_canon_sha256": "3db091aae7d46e855cfbeffbaabf097fcdc7707683c55f6f7081d305da67d22d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4133",
    "kind": "arxiv",
    "version": 2
  }
}