Pith Number

pith:2VJAVZDW

pith:2024:2VJAVZDW6UC7NNQSWDW63JACS4

not attested not anchored not stored refs pending

Time-Machines Construct in $f(\mathcal{R},\mathcal{A},A^{\mu\nu}\,A_{\mu\nu})$ and $f(\mathcal{R})$ Modified Gravity Theories

A. F. Santos, F. Ahmed, J. C. R. de Souza

arxiv:2407.11513 v2 · 2024-07-16 · 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{2VJAVZDW6UC7NNQSWDW63JACS4}

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.

Cited by

1 paper in Pith

The Regular Ricci-Inverse Cosmology with Multiple Anticurvature Scalars

Receipt and verification

First computed	2026-07-05T09:15:35.000302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5520ae476f505f6b612b0ededa4029737293b9fe2e95007f8fc15e30458a091

Aliases

arxiv: 2407.11513 · arxiv_version: 2407.11513v2 · doi: 10.48550/arxiv.2407.11513 · pith_short_12: 2VJAVZDW6UC7 · pith_short_16: 2VJAVZDW6UC7NNQS · pith_short_8: 2VJAVZDW

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/2VJAVZDW6UC7NNQSWDW63JACS4 \
  | 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: d5520ae476f505f6b612b0ededa4029737293b9fe2e95007f8fc15e30458a091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a83893a816f7ba404b6c27c7f69f0c86c28d3ec0596d0de8a43d6e16a7e12b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-07-16T08:49:54Z",
    "title_canon_sha256": "11f184023faccfee5cb8dbd05f7659590d2bc58c89c4513b6c8db5bdb54ed5d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.11513",
    "kind": "arxiv",
    "version": 2
  }
}