Pith Number

pith:QERFWR4A

pith:2011:QERFWR4A5ARTRPYKN5ADBI7K75

not attested not anchored not stored refs pending

Inflationary non-Gaussianities in the most general second-order scalar-tensor theories

Antonio De Felice, Shinji Tsujikawa

arxiv:1107.3917 v2 · 2011-07-20 · 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{QERFWR4A5ARTRPYKN5ADBI7K75}

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	2026-05-18T04:11:28.349848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81225b4780e82338bf0a6f4030a3eaff6c06580da6c62bca69017e4623f2218d

Aliases

arxiv: 1107.3917 · arxiv_version: 1107.3917v2 · doi: 10.48550/arxiv.1107.3917 · pith_short_12: QERFWR4A5ART · pith_short_16: QERFWR4A5ARTRPYK · pith_short_8: QERFWR4A

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/QERFWR4A5ARTRPYKN5ADBI7K75 \
  | 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: 81225b4780e82338bf0a6f4030a3eaff6c06580da6c62bca69017e4623f2218d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25a591659650664797727ef77055ef7646f9b333801ce0736a4f24fdc9505131",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-07-20T08:30:31Z",
    "title_canon_sha256": "d47619e88933ec806eced3addeb34962c69470f0818b8854c8254d0de5736f7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3917",
    "kind": "arxiv",
    "version": 2
  }
}