Pith Number

pith:U3I47IXY

pith:2015:U3I47IXY4WSFV2AMNWOWPMHFNY

not attested not anchored not stored refs pending

On exponential cosmological type solutions in the model with Gauss-Bonnet term and variation of gravitational constant

A. A. Kobtsev, V. D. Ivashchuk

arxiv:1503.00860 v3 · 2015-03-03 · 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{U3I47IXY4WSFV2AMNWOWPMHFNY}

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	2026-05-18T01:03:31.152008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6d1cfa2f8e5a45ae80c6d9d67b0e56e2d8919474df52f3311fff80c58675cc9

Aliases

arxiv: 1503.00860 · arxiv_version: 1503.00860v3 · doi: 10.48550/arxiv.1503.00860 · pith_short_12: U3I47IXY4WSF · pith_short_16: U3I47IXY4WSFV2AM · pith_short_8: U3I47IXY

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/U3I47IXY4WSFV2AMNWOWPMHFNY \
  | 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: a6d1cfa2f8e5a45ae80c6d9d67b0e56e2d8919474df52f3311fff80c58675cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d231bbeaebdf7fdac1a7d2bd9ca07be2c7ca67a245ccd474f784f5f0584e29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-03T09:00:04Z",
    "title_canon_sha256": "994cc9d82157f215ec948657fbbea79f549be86af8d8fd7fc0ebfee3bf491585"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00860",
    "kind": "arxiv",
    "version": 3
  }
}