Pith. sign in
Pith Number

pith:4KCQQBCR

pith:2021:4KCQQBCRPMONWYR5CEYZBBSHI2
not attested not anchored not stored refs pending

Regular black holes with sub-Planckian curvature

Meng-He Wu, Yi Ling

arxiv:2109.05974 v2 · 2021-09-13 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4KCQQBCRPMONWYR5CEYZBBSHI2}

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.

Cited by

3 papers in Pith

Receipt and verification
First computed 2026-07-05T09:41:25.367432Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e2850804517b1cdb623d11319086474688989efdbc1f79160f3737c0dd652665

Aliases

arxiv: 2109.05974 · arxiv_version: 2109.05974v2 · doi: 10.48550/arxiv.2109.05974 · pith_short_12: 4KCQQBCRPMON · pith_short_16: 4KCQQBCRPMONWYR5 · pith_short_8: 4KCQQBCR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4KCQQBCRPMONWYR5CEYZBBSHI2 \
  | 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: e2850804517b1cdb623d11319086474688989efdbc1f79160f3737c0dd652665
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8b00d826e3e47ddcf51b0d59c9486ada4f8ddf55cf825f254415f0719690f6e5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-09-13T13:50:18Z",
    "title_canon_sha256": "8281707d68783156e6b3bad0cdfc4bc8335b71f1b44af7883ed89d19f6723ffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05974",
    "kind": "arxiv",
    "version": 2
  }
}