Pith Number

pith:4OHN36G4

pith:2026:4OHN36G4ABVWHIHSZFJFQTG3PT

not attested not anchored not stored refs pending

Warped Spacelike Singularities and the $C^0$-Inextendibility of Birmingham-Kottler Spacetimes

Bobby EkaGunara

arxiv:2607.14741 v1 · 2026-07-16 · gr-qc · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OHN36G4ABVWHIHSZFJFQTG3PT}

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	2026-07-17T01:21:28.689107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e38eddf8dc006b63a0f2c952584cdb7cd4b90e06cfa4f170bcbf809cf9a44a3e

Aliases

arxiv: 2607.14741 · arxiv_version: 2607.14741v1 · doi: 10.48550/arxiv.2607.14741 · pith_short_12: 4OHN36G4ABVW · pith_short_16: 4OHN36G4ABVWHIHS · pith_short_8: 4OHN36G4

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/4OHN36G4ABVWHIHSZFJFQTG3PT \
  | 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: e38eddf8dc006b63a0f2c952584cdb7cd4b90e06cfa4f170bcbf809cf9a44a3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "804ff41da251ebbad44393d5695ce594ecb731ae8f9a102316234b8d84f918e5",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-16T09:07:02Z",
    "title_canon_sha256": "996e19f5100565e0ade3421569b447babb9265319dd9f0b1def8b5da94608101"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14741",
    "kind": "arxiv",
    "version": 1
  }
}