Pith Number

pith:U4OIARLM

pith:2017:U4OIARLMAWC5OSRA4VRQ3D5E7U

not attested not anchored not stored refs pending

Correlation Between the Total Gravitating Mass of Groups and Clusters and the Supermassive Black Hole Mass of Brightest Galaxies

Akos Bogdan, Lorenzo Lovisari, Marta Volonteri, Yohan Dubois

arxiv:1711.09900 v2 · 2017-11-27 · 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{U4OIARLMAWC5OSRA4VRQ3D5E7U}

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	2026-05-18T00:24:48.109065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a71c80456c0585d74a20e5630d8fa4fd06b864d23925ebc7a86f54a36016705d

Aliases

arxiv: 1711.09900 · arxiv_version: 1711.09900v2 · doi: 10.48550/arxiv.1711.09900 · pith_short_12: U4OIARLMAWC5 · pith_short_16: U4OIARLMAWC5OSRA · pith_short_8: U4OIARLM

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/U4OIARLMAWC5OSRA4VRQ3D5E7U \
  | 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: a71c80456c0585d74a20e5630d8fa4fd06b864d23925ebc7a86f54a36016705d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b613b8a92a149336a628391632808b719caad01ce0951142e5a3b63fc73b77d6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-27T19:00:00Z",
    "title_canon_sha256": "fbd86327605dc42e3f17919e86234de2b724d2d3234eca9a326b009c4a644e28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09900",
    "kind": "arxiv",
    "version": 2
  }
}