Pith Number

pith:64NMHHGA

pith:2013:64NMHHGA4GDIEMQEVLYGL5QRDO

not attested not anchored not stored refs pending

Accelerating and decelerating cosmology from spinor and scalar fields non-minimally coupled with f(R) gravity

A. N. Makarenko, K.E. Osetrin, Yu.A. Rybalov

arxiv:1310.2505 v1 · 2013-10-09 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64NMHHGA4GDIEMQEVLYGL5QRDO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:05:01.124550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f71ac39cc0e186823204aaf065f6111ba0d11372c9ef995bc0b198daf97151a3

Aliases

arxiv: 1310.2505 · arxiv_version: 1310.2505v1 · doi: 10.48550/arxiv.1310.2505 · pith_short_12: 64NMHHGA4GDI · pith_short_16: 64NMHHGA4GDIEMQE · pith_short_8: 64NMHHGA

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/64NMHHGA4GDIEMQEVLYGL5QRDO \
  | 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: f71ac39cc0e186823204aaf065f6111ba0d11372c9ef995bc0b198daf97151a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ba083f12e4ced384b22c405f8f559f5a5dcfcb67d8d3358e3735e2180225c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-10-09T14:43:39Z",
    "title_canon_sha256": "3edc08807f37206bc23079f8125d4702e258ec2c7b4e8069296776482dcdf331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2505",
    "kind": "arxiv",
    "version": 1
  }
}