pith. sign in
Pith Number

pith:AV2F7QRC

pith:2018:AV2F7QRC77QGZ4322KGCSIOW4E
not attested not anchored not stored refs pending

BPS Kerr-AdS Time Machines

C.N. Pope, H. Lu, M. Cvetic, Wei-Jian Geng

arxiv:1801.08579 v2 · 2018-01-25 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AV2F7QRC77QGZ4322KGCSIOW4E}

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 2026-05-18T00:08:10.504623Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

05745fc222ffe06cf37ad28c2921d6e134c1cc1817852eef0bcd76dc0f5d195c

Aliases

arxiv: 1801.08579 · arxiv_version: 1801.08579v2 · doi: 10.48550/arxiv.1801.08579 · pith_short_12: AV2F7QRC77QG · pith_short_16: AV2F7QRC77QGZ432 · pith_short_8: AV2F7QRC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AV2F7QRC77QGZ4322KGCSIOW4E \
  | 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: 05745fc222ffe06cf37ad28c2921d6e134c1cc1817852eef0bcd76dc0f5d195c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0239a91b81880b02559e03e4b590d3dcd25943055c5102fbe971e310d0b816e8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-25T19:53:55Z",
    "title_canon_sha256": "642ca44c940d463fe3faed31e7fd924ad4d08a691136f73df4bcc0e5c662e5c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08579",
    "kind": "arxiv",
    "version": 2
  }
}