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Pith Number

pith:CURXAM4I

pith:2013:CURXAM4IC2ZSQH2IBGFGMOFXBH
not attested not anchored not stored refs pending

Primordial scalar perturbations in tachyonic power-law inflation

Gilberto M. Kremer, Rudinei C. de Souza

arxiv:1301.4631 v2 · 2013-01-20 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CURXAM4IC2ZSQH2IBGFGMOFXBH}

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 2026-05-18T01:52:05.482828Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

152370338816b3281f48098a6638b709e11ac9b9f9e943fc9d74ce0f0e5a63ad

Aliases

arxiv: 1301.4631 · arxiv_version: 1301.4631v2 · doi: 10.48550/arxiv.1301.4631 · pith_short_12: CURXAM4IC2ZS · pith_short_16: CURXAM4IC2ZSQH2I · pith_short_8: CURXAM4I
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CURXAM4IC2ZSQH2IBGFGMOFXBH \
  | 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: 152370338816b3281f48098a6638b709e11ac9b9f9e943fc9d74ce0f0e5a63ad
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f2b7fb92b70e1ede706d197a545fdaf7252ff1651fae1d8f4708adb3039b0b22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-20T06:49:46Z",
    "title_canon_sha256": "fc688dc6f70df0aedb0090529b07bdfa447c4d7f086c78f58e9a608198c9b31e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4631",
    "kind": "arxiv",
    "version": 2
  }
}