pith. sign in
Pith Number

pith:XDE4OMBN

pith:2011:XDE4OMBNT4PIWJE2OUTP4ZYV4B
not attested not anchored not stored refs pending

Interacting Kasner-type cosmologies

Fabiola Arevalo, Mauricio Cataldo, Patricio Mella

arxiv:1101.2147 v1 · 2011-01-11 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XDE4OMBNT4PIWJE2OUTP4ZYV4B}

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 2026-05-18T02:22:58.773530Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b8c9c7302d9f1e8b249a7526fe6715e049b839320915903e42433b23c74df6dd

Aliases

arxiv: 1101.2147 · arxiv_version: 1101.2147v1 · doi: 10.48550/arxiv.1101.2147 · pith_short_12: XDE4OMBNT4PI · pith_short_16: XDE4OMBNT4PIWJE2 · pith_short_8: XDE4OMBN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XDE4OMBNT4PIWJE2OUTP4ZYV4B \
  | 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: b8c9c7302d9f1e8b249a7526fe6715e049b839320915903e42433b23c74df6dd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0ef897400fbed6625c3df0ca30ce78868a02185b68cf0d3a8afb11d09ae104ec",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-01-11T15:47:26Z",
    "title_canon_sha256": "c1f9fb6f437529d670c38ced2f2e2230f5bbb8f5991c5ab8be7d08fc1e8b6cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2147",
    "kind": "arxiv",
    "version": 1
  }
}