Pith Number

pith:XMHFK7EC

pith:2026:XMHFK7ECY77GR232CUJLYCTARU

not attested not anchored not stored refs pending

A Space Mission to Earth's Nearest Black Hole: Reality or Science Fiction?

Cosimo Bambi

arxiv:2607.10982 v1 · 2026-07-13 · gr-qc · 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{XMHFK7ECY77GR232CUJLYCTARU}

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	2026-07-14T01:21:50.751872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb0e557c82c7fe68eb7a1512bc0a608d3f5c14636ca9d6a58f8f7dc876fece2f

Aliases

arxiv: 2607.10982 · arxiv_version: 2607.10982v1 · doi: 10.48550/arxiv.2607.10982 · pith_short_12: XMHFK7ECY77G · pith_short_16: XMHFK7ECY77GR232 · pith_short_8: XMHFK7EC

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/XMHFK7ECY77GR232CUJLYCTARU \
  | 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: bb0e557c82c7fe68eb7a1512bc0a608d3f5c14636ca9d6a58f8f7dc876fece2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a74936494a527b6021ca472d8be457cfa68b1684a2552041c5d295f27184136",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-13T01:04:42Z",
    "title_canon_sha256": "39b3aec662df2fa0e4d972853687e0977abb236d967bbc4c0c016ad1199f5b7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.10982",
    "kind": "arxiv",
    "version": 1
  }
}