Pith Number

pith:4GG3TUFO

pith:2011:4GG3TUFO4WCWK3ZWUH54EVABO5

not attested not anchored not stored refs pending

On minor black holes in galactic nuclei

Barry McKernan (CUNY/AMNH), K.E.Saavik Ford (CUNY/AMNH), Lisa M. Winter (CU), Tahir Yaqoob (JHU)

arxiv:1102.0260 v1 · 2011-02-01 · astro-ph.CO · 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{4GG3TUFO4WCWK3ZWUH54EVABO5}

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	2026-05-18T02:03:17.958593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e18db9d0aee585656f36a1fbc2540177761b156102a3287e9696b9bc4314d3cc

Aliases

arxiv: 1102.0260 · arxiv_version: 1102.0260v1 · doi: 10.48550/arxiv.1102.0260 · pith_short_12: 4GG3TUFO4WCW · pith_short_16: 4GG3TUFO4WCWK3ZW · pith_short_8: 4GG3TUFO

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/4GG3TUFO4WCWK3ZWUH54EVABO5 \
  | 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: e18db9d0aee585656f36a1fbc2540177761b156102a3287e9696b9bc4314d3cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78f65ad9f323687e30fc91ff833615f46554df6e41b652257cceb1dd19444288",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-01T20:10:34Z",
    "title_canon_sha256": "b8687485cfd96e9dc61f5d1946c4abfdd8e93913f49f2ecbf5670aa9e0bf74bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0260",
    "kind": "arxiv",
    "version": 1
  }
}