Pith Number

pith:D436G3N4

pith:2017:D436G3N4JXE6MKASNDFFNCXJ3K

not attested not anchored not stored refs pending

Dynamics of cosmological perturbations in modified Brans-Dicke cosmology with matter-scalar field interaction

Georgios Kofinas, Nelson A. Lima

arxiv:1704.08925 v2 · 2017-04-27 · 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{D436G3N4JXE6MKASNDFFNCXJ3K}

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	2026-05-18T00:33:32.105722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f37e36dbc4dc9e6281268ca568ae9da81937f17a47cf4b77df3c5a84609ea2b

Aliases

arxiv: 1704.08925 · arxiv_version: 1704.08925v2 · doi: 10.48550/arxiv.1704.08925 · pith_short_12: D436G3N4JXE6 · pith_short_16: D436G3N4JXE6MKAS · pith_short_8: D436G3N4

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/D436G3N4JXE6MKASNDFFNCXJ3K \
  | 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: 1f37e36dbc4dc9e6281268ca568ae9da81937f17a47cf4b77df3c5a84609ea2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1ecfecb535f528cb7bdee780f3a0d601412b65cfaf56631cfa610e24a503d1b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-27T12:59:46Z",
    "title_canon_sha256": "2d242121d321310c12050350598d67590526240aa5111c86d3e1182421a62595"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08925",
    "kind": "arxiv",
    "version": 2
  }
}