Pith Number

pith:4BMISLBU

pith:2016:4BMISLBUTI5JYDAZ6UZDAFCQLK

not attested not anchored not stored refs pending

Modified Brans-Dicke cosmology with matter-scalar field interaction

Eleftherios Papantonopoulos, Emmanuel N. Saridakis, Georgios Kofinas

arxiv:1602.02687 v5 · 2016-02-08 · 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{4BMISLBUTI5JYDAZ6UZDAFCQLK}

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	2026-05-18T00:56:21.030422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e058892c349a3a9c0c19f5323014505ab523417a8ea1ba24f234a2cda88eb7c3

Aliases

arxiv: 1602.02687 · arxiv_version: 1602.02687v5 · doi: 10.48550/arxiv.1602.02687 · pith_short_12: 4BMISLBUTI5J · pith_short_16: 4BMISLBUTI5JYDAZ · pith_short_8: 4BMISLBU

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/4BMISLBUTI5JYDAZ6UZDAFCQLK \
  | 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: e058892c349a3a9c0c19f5323014505ab523417a8ea1ba24f234a2cda88eb7c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03f2a9dbadd2bf347078a4d1708de0d50774a7bd0446705a3ebf9053be0efac4",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-08T18:36:43Z",
    "title_canon_sha256": "a2ad392c145990cc76a362ef8abc9da274e4f0d9cbb33d5ff01ce11c673d01e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02687",
    "kind": "arxiv",
    "version": 5
  }
}