pith. sign in
Pith Number

pith:QFEKHQYP

pith:2012:QFEKHQYPO4F7OC6D252QCVWTFD
not attested not anchored not stored refs pending

Time dependent embedding of spherically symmetric Rindler-like spacetime

Hristu Culetu

arxiv:1202.4296 v4 · 2012-02-20 · gr-qc · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QFEKHQYPO4F7OC6D252QCVWTFD}

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 2026-05-18T03:41:12.550588Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8148a3c30f770bf70bc3d7750156d328da301e1fdc6f1771cc6b12debd3c9acc

Aliases

arxiv: 1202.4296 · arxiv_version: 1202.4296v4 · doi: 10.48550/arxiv.1202.4296 · pith_short_12: QFEKHQYPO4F7 · pith_short_16: QFEKHQYPO4F7OC6D · pith_short_8: QFEKHQYP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QFEKHQYPO4F7OC6D252QCVWTFD \
  | 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: 8148a3c30f770bf70bc3d7750156d328da301e1fdc6f1771cc6b12debd3c9acc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "291b92291fd9808cdcaac8d9087da70093103661991b50590d0a24099480a7ab",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-20T12:01:18Z",
    "title_canon_sha256": "a59ed474f30e67f706e9cc51d0ca84e85d91df26c7844dee6fb5addfe43bafbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4296",
    "kind": "arxiv",
    "version": 4
  }
}