Pith Number

pith:QSWRPQMJ

pith:2009:QSWRPQMJVOLSSTHJ67TLMBFGSN

not attested not anchored not stored refs pending

Scalar perturbations in p-nflation: the 3-form case

Alex Kehagias (NTUA, Athens), Cristiano Germani (LUTH, Observatoire de Paris-Meudon)

arxiv:0908.0001 v4 · 2009-07-31 · astro-ph.CO · gr-qc · 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{QSWRPQMJVOLSSTHJ67TLMBFGSN}

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	2026-05-18T03:23:58.468791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84ad17c189ab97294ce9f7e6b604a69362677a3249098d4a549b29d072924834

Aliases

arxiv: 0908.0001 · arxiv_version: 0908.0001v4 · doi: 10.48550/arxiv.0908.0001 · pith_short_12: QSWRPQMJVOLS · pith_short_16: QSWRPQMJVOLSSTHJ · pith_short_8: QSWRPQMJ

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/QSWRPQMJVOLSSTHJ67TLMBFGSN \
  | 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: 84ad17c189ab97294ce9f7e6b604a69362677a3249098d4a549b29d072924834

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be073666a9843649207a1489bdef68eb89d03256bf59186a7a9e32bb7e63f09e",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-31T20:03:20Z",
    "title_canon_sha256": "7e7cc38058290d09683afa646fd32f67e76b61d0705de250593390736c3c9c74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0001",
    "kind": "arxiv",
    "version": 4
  }
}