pith. sign in
Pith Number

pith:J2UXC27D

pith:2014:J2UXC27DXAQWXOORKVPOLKXDHW
not attested not anchored not stored refs pending

Cosmological Perturbations in Antigravity

Marius Oltean, Robert Brandenberger

arxiv:1406.7318 v2 · 2014-06-27 · hep-th · astro-ph.CO · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J2UXC27DXAQWXOORKVPOLKXDHW}

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 2026-05-18T02:40:55.716541Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4ea9716be3b8216bb9d1555ee5aae33d96f9a550c2381b84db573b3d253743c6

Aliases

arxiv: 1406.7318 · arxiv_version: 1406.7318v2 · doi: 10.48550/arxiv.1406.7318 · pith_short_12: J2UXC27DXAQW · pith_short_16: J2UXC27DXAQWXOOR · pith_short_8: J2UXC27D
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J2UXC27DXAQWXOORKVPOLKXDHW \
  | 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: 4ea9716be3b8216bb9d1555ee5aae33d96f9a550c2381b84db573b3d253743c6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9a32562afb669f3a653ab3b482f4006307decdbb9a6d45d30b8c7bd5799dcbfa",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-06-27T21:12:41Z",
    "title_canon_sha256": "64afaa49e0ffa83b1f1cf692163d2e73e7cbf252a3619006c4cf2ab94b549cd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7318",
    "kind": "arxiv",
    "version": 2
  }
}