Pith Number

pith:MRUSVE5B

pith:2015:MRUSVE5B2SV6MSA2FQLAGMESB7

not attested not anchored not stored refs pending

Shear-free Anisotropic Cosmological Models in f(R) Gravity

Amare Abebe, Davood Momeni, Ratbay Myrzakulov

arxiv:1507.03265 v2 · 2015-07-12 · 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{MRUSVE5B2SV6MSA2FQLAGMESB7}

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	2026-05-18T01:17:59.856824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64692a93a1d4abe6481a2c160330920fc98139d8727282eba673733085fcbe00

Aliases

arxiv: 1507.03265 · arxiv_version: 1507.03265v2 · doi: 10.48550/arxiv.1507.03265 · pith_short_12: MRUSVE5B2SV6 · pith_short_16: MRUSVE5B2SV6MSA2 · pith_short_8: MRUSVE5B

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/MRUSVE5B2SV6MSA2FQLAGMESB7 \
  | 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: 64692a93a1d4abe6481a2c160330920fc98139d8727282eba673733085fcbe00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f5dc668647d14049761121ab5cdbd78f9b25e028fe28596f8864c722d296e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-07-12T20:10:12Z",
    "title_canon_sha256": "71d4003cfeead2bcc10db4fd0acc3a814e52ce53bce0f9c93e256e3b1ac0cee9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03265",
    "kind": "arxiv",
    "version": 2
  }
}