pith. sign in
Pith Number

pith:KXI4JBEX

pith:2016:KXI4JBEXECWVSSWOMN2VPKXFHP
not attested not anchored not stored refs pending

Quantum cosmology with k-Essence theory

C.R. Almeida, F. Sbis\'a, J.C. Fabris, Y. Tavakoli

arxiv:1604.00624 v2 · 2016-04-03 · gr-qc · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KXI4JBEXECWVSSWOMN2VPKXFHP}

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 2026-05-18T00:54:03.381419Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

55d1c4849720ad594ace637557aae53bd40c951a6926d11b831a38a0d52bd1b4

Aliases

arxiv: 1604.00624 · arxiv_version: 1604.00624v2 · doi: 10.48550/arxiv.1604.00624 · pith_short_12: KXI4JBEXECWV · pith_short_16: KXI4JBEXECWVSSWO · pith_short_8: KXI4JBEX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KXI4JBEXECWVSSWOMN2VPKXFHP \
  | 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: 55d1c4849720ad594ace637557aae53bd40c951a6926d11b831a38a0d52bd1b4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8958b07b2668c1178e1b9d9a4cf9c583f013b750247e38c4983266a69cc1b5fa",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-04-03T11:54:50Z",
    "title_canon_sha256": "0962312b4b56bc78d362646ed6ee71f645dcdc5363a3d686f8e880c592a0a727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00624",
    "kind": "arxiv",
    "version": 2
  }
}