Pith Number

pith:GOO75KXO

pith:2013:GOO75KXOIVM6AT5A7M2IOFKKMA

not attested not anchored not stored refs pending

From Brans-Dicke gravity to a geometrical scalar-tensor theory

C. Romero, J. B. Formiga, M. L. Pucheu, T. S. Almeida

arxiv:1311.5459 v1 · 2013-11-21 · 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{GOO75KXOIVM6AT5A7M2IOFKKMA}

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	2026-05-18T01:46:11.610224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

339dfeaaee4559e04fa0fb3487154a602d1951c69bed3c6f628363c3effa069e

Aliases

arxiv: 1311.5459 · arxiv_version: 1311.5459v1 · doi: 10.48550/arxiv.1311.5459 · pith_short_12: GOO75KXOIVM6 · pith_short_16: GOO75KXOIVM6AT5A · pith_short_8: GOO75KXO

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/GOO75KXOIVM6AT5A7M2IOFKKMA \
  | 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: 339dfeaaee4559e04fa0fb3487154a602d1951c69bed3c6f628363c3effa069e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3779c37420dffb812d7139d5f43f61712ffb536e2662b285b0f6916be9710a56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-11-21T15:57:07Z",
    "title_canon_sha256": "2f00ce747f050cbe9dd9cd0f47665dd8ff79f0a652844bede8a9d3e07fcbcbea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5459",
    "kind": "arxiv",
    "version": 1
  }
}