Pith Number

pith:EFEPLIQW

pith:2015:EFEPLIQWTCNFJLFZ4SKOA7QOES

not attested not anchored not stored refs pending

Does the intermediate mass black hole in LEDA 87300 (RGG 118) follow the near-quadratic (M_bh)-(M_spheroid) relation?

Alister W. Graham, Bogdan C. Ciambur, Roberto Soria

arxiv:1512.00991 v2 · 2015-12-03 · 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{EFEPLIQWTCNFJLFZ4SKOA7QOES}

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	2026-05-18T01:19:25.873650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2148f5a216989a54acb9e494e07e0e24ad0de323b51757a3a11e9f859c0d5954

Aliases

arxiv: 1512.00991 · arxiv_version: 1512.00991v2 · doi: 10.48550/arxiv.1512.00991 · pith_short_12: EFEPLIQWTCNF · pith_short_16: EFEPLIQWTCNFJLFZ · pith_short_8: EFEPLIQW

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/EFEPLIQWTCNFJLFZ4SKOA7QOES \
  | 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: 2148f5a216989a54acb9e494e07e0e24ad0de323b51757a3a11e9f859c0d5954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f6347077592208929037269467280664f159ada21fd6464ab3574796db2722b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-03T08:54:59Z",
    "title_canon_sha256": "d49fa99d2155f00664bcc22ac4f7318b58bdd588ca459faa58262e0def9242a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00991",
    "kind": "arxiv",
    "version": 2
  }
}