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Pith Number

pith:ZFTKEFW2

pith:2014:ZFTKEFW26DBR4W34FQK2CZM2I3
not attested not anchored not stored refs pending

Constraint on inflation model from BICEP2 and WMAP 9-year data

Cheng cheng, Qing-Guo Huang

arxiv:1404.1230 v2 · 2014-04-04 · astro-ph.CO · gr-qc · hep-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZFTKEFW26DBR4W34FQK2CZM2I3}

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 2026-05-18T02:19:43.841585Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c966a216daf0c31e5b7c2c15a1659a46fa7a18c3388315911d255e34298992e3

Aliases

arxiv: 1404.1230 · arxiv_version: 1404.1230v2 · doi: 10.48550/arxiv.1404.1230 · pith_short_12: ZFTKEFW26DBR · pith_short_16: ZFTKEFW26DBR4W34 · pith_short_8: ZFTKEFW2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZFTKEFW26DBR4W34FQK2CZM2I3 \
  | 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: c966a216daf0c31e5b7c2c15a1659a46fa7a18c3388315911d255e34298992e3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c139d4ae9e55fdae947c5942538cafe0f05a9b94e7ea7dc76143f6218fb11594",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-04-04T12:24:43Z",
    "title_canon_sha256": "b877dca7186051270ac0de99ed5324c0a6703a238b779c871b541ae957f3a33b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1230",
    "kind": "arxiv",
    "version": 2
  }
}