Pith Number

pith:GUKQM42R

pith:2009:GUKQM42R4LSQZRII22KNBN777P

not attested not anchored not stored refs pending

Higher order terms in the inflaton potential and the lower bound on the tensor to scalar ratio r

C. Destri, H. J. de Vega, N. G. Sanchez

arxiv:0906.4102 v2 · 2009-06-22 · astro-ph.CO · gr-qc · hep-ph · 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{GUKQM42R4LSQZRII22KNBN777P}

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	2026-05-18T04:27:45.563656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3515067351e2e50cc508d694d0b7fffbe7bcca1aa547e949fb77b5063a8a4746

Aliases

arxiv: 0906.4102 · arxiv_version: 0906.4102v2 · doi: 10.48550/arxiv.0906.4102 · pith_short_12: GUKQM42R4LSQ · pith_short_16: GUKQM42R4LSQZRII · pith_short_8: GUKQM42R

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/GUKQM42R4LSQZRII22KNBN777P \
  | 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: 3515067351e2e50cc508d694d0b7fffbe7bcca1aa547e949fb77b5063a8a4746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2801ad08a454e6a5bd08d2309ccbe9c941dc12feba5460811e9399ad10e9f729",
    "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": "2009-06-22T20:00:12Z",
    "title_canon_sha256": "50c6f4dcd0b4a5e22452729772c335f2aed24add1b1a9f4c0fa273079d79ac7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4102",
    "kind": "arxiv",
    "version": 2
  }
}