Pith Number

pith:XT564NJP

pith:2012:XT564NJPFFEXLZSJOPRHGUSJYX

not attested not anchored not stored refs pending

Two stellar-mass black holes in the globular cluster M22

Anil Seth (Utah), James Miller-Jones (ICRAR-Curtin), Jay Strader (Michigan State), Laura Chomiuk (NRAO/Michigan State), Thomas Maccarone (Southampton)

arxiv:1210.0901 v1 · 2012-10-02 · astro-ph.HE · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XT564NJPFFEXLZSJOPRHGUSJYX}

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	2026-05-18T01:54:11.401659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcfbee352f294975e64973e2735249c5f8039cd5b70f02a554d77aa6fb774027

Aliases

arxiv: 1210.0901 · arxiv_version: 1210.0901v1 · doi: 10.48550/arxiv.1210.0901 · pith_short_12: XT564NJPFFEX · pith_short_16: XT564NJPFFEXLZSJ · pith_short_8: XT564NJP

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/XT564NJPFFEXLZSJOPRHGUSJYX \
  | 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: bcfbee352f294975e64973e2735249c5f8039cd5b70f02a554d77aa6fb774027

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd3a7a5815aca323e27c0641b10f66894b99c84056d3c015254081e8bea58b81",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-02T20:00:00Z",
    "title_canon_sha256": "a9a4d09461a59b8ac5b7123e4766d6633f9d25aa46b81d2301396e9f968c5c51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0901",
    "kind": "arxiv",
    "version": 1
  }
}