Pith Number

pith:P64CX5EG

pith:2009:P64CX5EGPEUFISIKQIEUIXYAOB

not attested not anchored not stored refs pending

Cosmological perturbations in SFT inspired non-local scalar field models

Alexey S. Koshelev, Sergey Yu. Vernov

arxiv:0903.5176 v3 · 2009-03-30 · hep-th · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P64CX5EGPEUFISIKQIEUIXYAOB}

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	2026-05-18T03:41:32.565802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fb82bf486792854490a8209445f007066227bf1ba7d4019485633094546e0c6

Aliases

arxiv: 0903.5176 · arxiv_version: 0903.5176v3 · doi: 10.48550/arxiv.0903.5176 · pith_short_12: P64CX5EGPEUF · pith_short_16: P64CX5EGPEUFISIK · pith_short_8: P64CX5EG

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/P64CX5EGPEUFISIKQIEUIXYAOB \
  | 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: 7fb82bf486792854490a8209445f007066227bf1ba7d4019485633094546e0c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2888a138395037fe9fd688a9a95e79cf8770b990ea01c214ca9c8c1c995b3492",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-03-30T10:42:09Z",
    "title_canon_sha256": "76efc062b8f99a02df53b93b8cb82c4e499de0f12a8b88ea415db00aa445c103"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5176",
    "kind": "arxiv",
    "version": 3
  }
}