Pith Number

pith:7GHL4FPI

pith:2017:7GHL4FPIP7NE7IJ5V2FZL2LTSC

not attested not anchored not stored refs pending

Dynamics of expansion of the Universe in model with the additional coupling between dark energy and dark matter

B. Novosyadlyj, O. Sergijenko, R. Neomenko

arxiv:1712.01128 v1 · 2017-12-01 · 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{7GHL4FPIP7NE7IJ5V2FZL2LTSC}

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	2026-05-18T00:28:59.437762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f98ebe15e87fda4fa13dae8b95e973908344cff60dc40e6b345dbd9d6c0dce2a

Aliases

arxiv: 1712.01128 · arxiv_version: 1712.01128v1 · doi: 10.48550/arxiv.1712.01128 · pith_short_12: 7GHL4FPIP7NE · pith_short_16: 7GHL4FPIP7NE7IJ5 · pith_short_8: 7GHL4FPI

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/7GHL4FPIP7NE7IJ5V2FZL2LTSC \
  | 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: f98ebe15e87fda4fa13dae8b95e973908344cff60dc40e6b345dbd9d6c0dce2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a900915bb358dd5827ec180e7b6dd91b923d86deda6d8f04fcaa44fafc96bd17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-01T17:30:04Z",
    "title_canon_sha256": "fb60258d0f10667c72de978bbd2a054040538c36c6b386451145aa47a51bdf68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01128",
    "kind": "arxiv",
    "version": 1
  }
}