Pith Number

pith:4MQBQ7AT

pith:2016:4MQBQ7AT2K2S64N5Y2PUP2WWSF

not attested not anchored not stored refs pending

Integrable cosmological models with non-minimal coupling and bounce solutions

Ekaterina Pozdeeva, Sergey Vernov

arxiv:1611.02240 v1 · 2016-11-07 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MQBQ7AT2K2S64N5Y2PUP2WWSF}

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	2026-05-18T01:00:02.793671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e320187c13d2b52f71bdc69f47ead6916168739c838300eafd9fd08aab0573ca

Aliases

arxiv: 1611.02240 · arxiv_version: 1611.02240v1 · doi: 10.48550/arxiv.1611.02240 · pith_short_12: 4MQBQ7AT2K2S · pith_short_16: 4MQBQ7AT2K2S64N5 · pith_short_8: 4MQBQ7AT

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/4MQBQ7AT2K2S64N5Y2PUP2WWSF \
  | 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: e320187c13d2b52f71bdc69f47ead6916168739c838300eafd9fd08aab0573ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be3a587db901fbfa2c2341d8e2bdb7e647813b47c55de9897c9e9e984a05c43a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-11-07T19:59:26Z",
    "title_canon_sha256": "ecc86fd4230d98ff89cd83b4759db2a335d237b0efda9ebff5b3eb6ee61e7a1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02240",
    "kind": "arxiv",
    "version": 1
  }
}