pith. sign in
Pith Number

pith:J4LYRCCH

pith:2013:J4LYRCCHQGEUQ4II5PDELMVPFM
not attested not anchored not stored refs pending

Covariant second-order perturbations in generalized two-field inflation

Bartjan van Tent, Eleftheria Tzavara, Shuntaro Mizuno

arxiv:1312.6139 v2 · 2013-12-20 · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J4LYRCCHQGEUQ4II5PDELMVPFM}

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 2026-05-18T02:46:32.770598Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4f178888478189487108ebc645b2af2b1fc8dea27d37de33d9bdfab02726ddf0

Aliases

arxiv: 1312.6139 · arxiv_version: 1312.6139v2 · doi: 10.48550/arxiv.1312.6139 · pith_short_12: J4LYRCCHQGEU · pith_short_16: J4LYRCCHQGEUQ4II · pith_short_8: J4LYRCCH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J4LYRCCHQGEUQ4II5PDELMVPFM \
  | 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: 4f178888478189487108ebc645b2af2b1fc8dea27d37de33d9bdfab02726ddf0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0ea20a134588ea084448c8a4a6e99ac48198e11a677f2aad52a5fdd20dd4a1a4",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-20T21:13:49Z",
    "title_canon_sha256": "aaee4d6d5192387579ba1eefb08470a9a6f18c2c93d2d65aec7baeeba52b4fd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6139",
    "kind": "arxiv",
    "version": 2
  }
}