Pith Number

pith:ZD2A4F2M

pith:2019:ZD2A4F2M3VC7HNPO3UME5HTZCV

not attested not anchored not stored refs pending

Curvature Perturbations in the Effective Field Theory of Inflation

Macarena Lagos, Meng-Xiang Lin, Wayne Hu

arxiv:1908.08785 v1 · 2019-08-22 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZD2A4F2M3VC7HNPO3UME5HTZCV}

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	2026-07-05T00:25:14.667670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8f40e174cdd45f3b5eedd184e9e791545e94abee49d51ff9be556d003722fb4

Aliases

arxiv: 1908.08785 · arxiv_version: 1908.08785v1 · doi: 10.48550/arxiv.1908.08785 · pith_short_12: ZD2A4F2M3VC7 · pith_short_16: ZD2A4F2M3VC7HNPO · pith_short_8: ZD2A4F2M

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/ZD2A4F2M3VC7HNPO3UME5HTZCV \
  | 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: c8f40e174cdd45f3b5eedd184e9e791545e94abee49d51ff9be556d003722fb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beca767e8c9ee6f31cdf5b9333bd9adaeb1229cb6ed9bdf1597f3b6fc2f74c55",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-22T16:49:36Z",
    "title_canon_sha256": "5c0c1b154875bad1f6e818df651f3460542e31f1877a8a09377da5059d190dc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08785",
    "kind": "arxiv",
    "version": 1
  }
}