pith. sign in
Pith Number

pith:T2M7YCBJ

pith:2001:T2M7YCBJGID5FWTCTLE7O26LG7
not attested not anchored not stored refs pending

Static Black Holes of Metric-Affine Gravity in the Presence of Matter

Alberto Garc\'ia, Alfredo Mac\'ias, Eloy Ay\'on-Beato, Hernando Quevedo

arxiv:gr-qc/0104047 v2 · 2001-04-16 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{T2M7YCBJGID5FWTCTLE7O26LG7}

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 2026-05-18T01:09:08.367779Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9e99fc08293207d2da629ac9f76bcb37ec0a53d63430cb4e670dc013ecf41625

Aliases

arxiv: gr-qc/0104047 · arxiv_version: gr-qc/0104047v2 · doi: 10.48550/arxiv.gr-qc/0104047 · pith_short_12: T2M7YCBJGID5 · pith_short_16: T2M7YCBJGID5FWTC · pith_short_8: T2M7YCBJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/T2M7YCBJGID5FWTCTLE7O26LG7 \
  | 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: 9e99fc08293207d2da629ac9f76bcb37ec0a53d63430cb4e670dc013ecf41625
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1ba3317b6831ccaae7d115559d2a30ac16040bdc1d5c245010541526aea3e669",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-04-16T20:25:22Z",
    "title_canon_sha256": "8dfb70114ea7c075d818ffbada9259dd7804e3b33bf35b9f51ddc180d7f41c5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0104047",
    "kind": "arxiv",
    "version": 2
  }
}