Pith Number

pith:CMN2NEDT

pith:2018:CMN2NEDT6IARWOTVLLPRJJWOVD

not attested not anchored not stored refs pending

Expected intermediate mass black holes in the Virgo cluster. II. Late-type galaxies

Alister W. Graham, Benjamin L. Davis, Roberto Soria

arxiv:1811.03232 v2 · 2018-11-08 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMN2NEDT6IARWOTVLLPRJJWOVD}

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	2026-05-17T23:48:43.368159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

131ba69073f2011b3a755adf14a6cea8eff26094af00ea818a5e83e6e078f5e4

Aliases

arxiv: 1811.03232 · arxiv_version: 1811.03232v2 · doi: 10.48550/arxiv.1811.03232 · pith_short_12: CMN2NEDT6IAR · pith_short_16: CMN2NEDT6IARWOTV · pith_short_8: CMN2NEDT

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/CMN2NEDT6IARWOTVLLPRJJWOVD \
  | 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: 131ba69073f2011b3a755adf14a6cea8eff26094af00ea818a5e83e6e078f5e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3294ce00049aa0ef5ebd27298de28de65372929dea8afdb889f6023ea9be51a2",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-08T02:46:52Z",
    "title_canon_sha256": "9bdc7519be2fcc2eaa9af631857d848c582d8d8d368674b89b957544d91685f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03232",
    "kind": "arxiv",
    "version": 2
  }
}