Pith. sign in
Pith Number

pith:KREZQC7F

pith:2007:KREZQC7F7Z6KDICHFQOLLAROAU
not attested not anchored not stored refs pending

Lorentzian and signature changing branes

Jos\'e M. M. Senovilla, Marc Mars, Ra\"ul Vera

arxiv:0705.3380 v1 · 2007-05-23 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KREZQC7F7Z6KDICHFQOLLAROAU}

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 2026-07-04T15:21:12.926531Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5449980be5fe7ca1a0472c1cb5822e05099495c399e1a74021c4de7e464bfb57

Aliases

arxiv: 0705.3380 · arxiv_version: 0705.3380v1 · doi: 10.48550/arxiv.0705.3380 · pith_short_12: KREZQC7F7Z6K · pith_short_16: KREZQC7F7Z6KDICH · pith_short_8: KREZQC7F
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KREZQC7F7Z6KDICHFQOLLAROAU \
  | 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: 5449980be5fe7ca1a0472c1cb5822e05099495c399e1a74021c4de7e464bfb57
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e11b2843be8056f342626beeda1ee86527925af1f677de0cb7745c0234bc3722",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2007-05-23T13:54:45Z",
    "title_canon_sha256": "6ca556b0a52f8ab8100a168d273850cbc60c1f7ac671b1eb3ac0fa5b9fdc027c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.3380",
    "kind": "arxiv",
    "version": 1
  }
}