Pith Number

pith:M73V2WJB

pith:2018:M73V2WJBUSBPQN4EZKZ7W4VXO7

not attested not anchored not stored refs pending

Cosmology in modified $f(R,T)$-gravity

Petr V. Tretyakov

arxiv:1810.11313 v1 · 2018-10-26 · 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{M73V2WJBUSBPQN4EZKZ7W4VXO7}

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	2026-05-18T00:01:25.386503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67f75d5921a482f83784cab3fb72b777f7c176c53004de6aa5cb4a4d5dfdce89

Aliases

arxiv: 1810.11313 · arxiv_version: 1810.11313v1 · doi: 10.48550/arxiv.1810.11313 · pith_short_12: M73V2WJBUSBP · pith_short_16: M73V2WJBUSBPQN4E · pith_short_8: M73V2WJB

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/M73V2WJBUSBPQN4EZKZ7W4VXO7 \
  | 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: 67f75d5921a482f83784cab3fb72b777f7c176c53004de6aa5cb4a4d5dfdce89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a9ed17c6c2fc2d776b3cca4b9ad8a07d913a39ed4d34a3e2d01c529817a5cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-26T13:25:50Z",
    "title_canon_sha256": "5f5953a578682427cf59cccdc43181246ac217149ada655be99e997c84800026"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11313",
    "kind": "arxiv",
    "version": 1
  }
}