Pith Number

pith:NCPEC225

pith:2019:NCPEC225IKKMGYAP7H2MT5NEFG

not attested not anchored not stored refs pending

Positivity in the effective field theory of cosmological perturbations

Gen Ye, Yun-Song Piao

arxiv:1908.08644 v2 · 2019-08-23 · hep-th · astro-ph.CO · gr-qc · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCPEC225IKKMGYAP7H2MT5NEFG}

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.

Cited by

1 paper in Pith

Full positivity bounds for anomalous quartic gauge couplings in SMEFT

Receipt and verification

First computed	2026-07-05T01:13:54.257939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

689e416b5d4294c3600ff9f4c9f5a429a50ac8e3ec0e75895cae1acb78853280

Aliases

arxiv: 1908.08644 · arxiv_version: 1908.08644v2 · doi: 10.48550/arxiv.1908.08644 · pith_short_12: NCPEC225IKKM · pith_short_16: NCPEC225IKKMGYAP · pith_short_8: NCPEC225

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NCPEC225IKKMGYAP7H2MT5NEFG \
  | 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: 689e416b5d4294c3600ff9f4c9f5a429a50ac8e3ec0e75895cae1acb78853280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ab65e83b432e012f49cf7865a3d119ce1bd3b9eb32944730793081e76211a41",
    "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": "2019-08-23T02:57:45Z",
    "title_canon_sha256": "b762fd1cc75107c8153d1309c82ee9beb10e1ced99747696732303a61087cbbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08644",
    "kind": "arxiv",
    "version": 2
  }
}