Pith Number

pith:3B4OTLEJ

pith:2018:3B4OTLEJ4DMFOSIP5FTBVGZSGZ

not attested not anchored not stored refs pending

A detached stellar-mass black hole candidate in the globular cluster NGC 3201

Benjamin Giesers, C. Marcella Carollo, Guillem Anglada Escude, Jarle Brinchmann, Lutz Wisotzki, Martin M. Roth, Peter M. Weilbacher, Sebastian Kamann, Stefan Dreizler, Tim-Oliver Husser

arxiv:1801.05642 v1 · 2018-01-17 · astro-ph.SR · 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{3B4OTLEJ4DMFOSIP5FTBVGZSGZ}

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	2026-05-18T00:22:54.831441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d878e9ac89e0d857490fe9661a9b32367257b72fe6290bfddf28a2749f588136

Aliases

arxiv: 1801.05642 · arxiv_version: 1801.05642v1 · doi: 10.48550/arxiv.1801.05642 · pith_short_12: 3B4OTLEJ4DMF · pith_short_16: 3B4OTLEJ4DMFOSIP · pith_short_8: 3B4OTLEJ

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/3B4OTLEJ4DMFOSIP5FTBVGZSGZ \
  | 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: d878e9ac89e0d857490fe9661a9b32367257b72fe6290bfddf28a2749f588136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21fd026ccdea6e77f967fd7ba80deb7026dd07d8ed503a5ca552ff6f226f7d71",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-17T12:48:20Z",
    "title_canon_sha256": "7e07f3a9a82a57759af5d59695c25c934599f6cd778dfeee8502876920f0db02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05642",
    "kind": "arxiv",
    "version": 1
  }
}