pith. sign in
Pith Number

pith:UVKZWVGM

pith:2013:UVKZWVGMPYOJSOK2AZ2AC3FEEK
not attested not anchored not stored refs pending

A new type of second order cosmological lagrangians

P. Tretyakov

arxiv:1302.6343 v2 · 2013-02-26 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UVKZWVGMPYOJSOK2AZ2AC3FEEK}

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 2026-05-18T01:51:27.479529Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a5559b54cc7e1c99395a0674016ca4228f4b78c97374fbc385ddbbe97c33a628

Aliases

arxiv: 1302.6343 · arxiv_version: 1302.6343v2 · doi: 10.48550/arxiv.1302.6343 · pith_short_12: UVKZWVGMPYOJ · pith_short_16: UVKZWVGMPYOJSOK2 · pith_short_8: UVKZWVGM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UVKZWVGMPYOJSOK2AZ2AC3FEEK \
  | 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: a5559b54cc7e1c99395a0674016ca4228f4b78c97374fbc385ddbbe97c33a628
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c3dc75e6f93d4943d6f9c1e8c58a9aff2fd6a2db974f6166e4fc514e8969994c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-26T07:14:14Z",
    "title_canon_sha256": "1df27af7b484e0c2e0025c3b52b61706aecc2db6d0caf9f48fa4b60760890cfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6343",
    "kind": "arxiv",
    "version": 2
  }
}