pith. sign in
Pith Number

pith:VLVXY7WQ

pith:2014:VLVXY7WQSHQJTN4LO2J7FNMGWI
not attested not anchored not stored refs pending

The KdV in Cosmology: a useful tool or a distraction?

A. V. Yaparova, A. V. Yurov, V. A. Yurov

arxiv:1405.6436 v2 · 2014-05-25 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VLVXY7WQSHQJTN4LO2J7FNMGWI}

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 2026-05-17T23:39:28.131940Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

aaeb7c7ed091e099b78b7693f2b586b23ce481df67736ae16eba27b3df7f1a67

Aliases

arxiv: 1405.6436 · arxiv_version: 1405.6436v2 · doi: 10.48550/arxiv.1405.6436 · pith_short_12: VLVXY7WQSHQJ · pith_short_16: VLVXY7WQSHQJTN4L · pith_short_8: VLVXY7WQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VLVXY7WQSHQJTN4LO2J7FNMGWI \
  | 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: aaeb7c7ed091e099b78b7693f2b586b23ce481df67736ae16eba27b3df7f1a67
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "761a60c7d9c0d42928cb8c38a11ffc9d88e0bb5a94b29b341aa26cc6613dc530",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-25T23:00:21Z",
    "title_canon_sha256": "fbc45e4c627a333d1176d375ab7fd33d9fad98c8a43eb622f4eb4090b496fec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6436",
    "kind": "arxiv",
    "version": 2
  }
}