Pith Number

pith:O2REKQKM

pith:2004:O2REKQKMYOV44D2GY4BFHCCG7Q

not attested not anchored not stored refs pending

Lorentz-breaking effects in scalar-tensor theories of gravity

C.N. Ferreira, J. A. Helayel-Neto, V. B. Bezerra

arxiv:hep-th/0405181 v1 · 2004-05-21 · hep-th · astro-ph · 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{O2REKQKMYOV44D2GY4BFHCCG7Q}

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	2026-05-18T02:35:39.747862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a245414cc3abce0f46c702538846fc38d0d3b0c1396e5187a76ed45f126280

Aliases

arxiv: hep-th/0405181 · arxiv_version: hep-th/0405181v1 · doi: 10.48550/arxiv.hep-th/0405181 · pith_short_12: O2REKQKMYOV4 · pith_short_16: O2REKQKMYOV44D2G · pith_short_8: O2REKQKM

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/O2REKQKMYOV44D2GY4BFHCCG7Q \
  | 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: 76a245414cc3abce0f46c702538846fc38d0d3b0c1396e5187a76ed45f126280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9a90dfff4691b0b9b9dc7c8cbdcd4d9d63c82d5b00d7380be62ad7be5ce9cd1",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-05-21T03:52:28Z",
    "title_canon_sha256": "10d4455c011673e8e7f0cc6d7ac65189970581447e5dcfba3739e4f2f325a85c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0405181",
    "kind": "arxiv",
    "version": 1
  }
}