Pith Number

pith:Q35LSHI7

pith:2025:Q35LSHI7RC7NWXQJQOPUGXK7QY

not attested not anchored not stored refs pending

Relativistic structure of a supermassive black hole embedded in the dark matter halo of NGC 4649 (M60)

Francisco S. N. Lobo, Jorde A. A. Ramos, Manuel E. Rodrigues

arxiv:2505.04222 v2 · 2025-05-07 · gr-qc · astro-ph.HE · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q35LSHI7RC7NWXQJQOPUGXK7QY}

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	2026-07-05T11:44:48.306312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86fab91d1f88bedb5e09839f435d5f862a41e99bafb09b779aa1fe61d547ce96

Aliases

arxiv: 2505.04222 · arxiv_version: 2505.04222v2 · doi: 10.48550/arxiv.2505.04222 · pith_short_12: Q35LSHI7RC7N · pith_short_16: Q35LSHI7RC7NWXQJ · pith_short_8: Q35LSHI7

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/Q35LSHI7RC7NWXQJQOPUGXK7QY \
  | 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: 86fab91d1f88bedb5e09839f435d5f862a41e99bafb09b779aa1fe61d547ce96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fafb289d8d0334f55e37ab04f7741675f40718acd1e28b4465e0fafda4cfeb44",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-05-07T08:20:12Z",
    "title_canon_sha256": "f9dc8d950d441a77674eaf24a9e5fe01fd90fc1aad6ebd1775a3d01d1248b840"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04222",
    "kind": "arxiv",
    "version": 2
  }
}