Pith Number

pith:S63OJHV6

pith:2014:S63OJHV65SBQYZIRMOBKRLGM74

not attested not anchored not stored refs pending

Cosmic strings in $f\left(R,L_m\right)$ gravity

Matthew J. Lake, Tiberiu Harko

arxiv:1409.8454 v4 · 2014-09-30 · 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{S63OJHV65SBQYZIRMOBKRLGM74}

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	2026-05-18T01:31:03.761808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97b6e49ebeec830c65116382a8acccff27c04b2f6d14f5e714d56a06d0d14ec1

Aliases

arxiv: 1409.8454 · arxiv_version: 1409.8454v4 · doi: 10.48550/arxiv.1409.8454 · pith_short_12: S63OJHV65SBQ · pith_short_16: S63OJHV65SBQYZIR · pith_short_8: S63OJHV6

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/S63OJHV65SBQYZIRMOBKRLGM74 \
  | 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: 97b6e49ebeec830c65116382a8acccff27c04b2f6d14f5e714d56a06d0d14ec1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3957e7f8de1e27b5275f8b21b43250601d2238725f14b36e36b3706ef4998274",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-09-30T09:48:50Z",
    "title_canon_sha256": "51ca1755cde214acd3a7bf7c0815922552560bd8f9d32b28b912500b6e97f749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8454",
    "kind": "arxiv",
    "version": 4
  }
}