Pith Number

pith:NACAUPCG

pith:2012:NACAUPCGCZDNFHGOAU36NVJGMD

not attested not anchored not stored refs pending

Gravitational Cherenkov Radiation from Extended Theories of Gravity

G. Basini, M. De Laurentis, S. Capozziello

arxiv:1206.6681 v1 · 2012-06-28 · gr-qc · astro-ph.HE · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NACAUPCGCZDNFHGOAU36NVJGMD}

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	2026-05-18T03:50:36.971277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68040a3c461646d29cce0537e6d52660dd13b695949ae40e0f7f39e822914a55

Aliases

arxiv: 1206.6681 · arxiv_version: 1206.6681v1 · doi: 10.48550/arxiv.1206.6681 · pith_short_12: NACAUPCGCZDN · pith_short_16: NACAUPCGCZDNFHGO · pith_short_8: NACAUPCG

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/NACAUPCGCZDNFHGOAU36NVJGMD \
  | 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: 68040a3c461646d29cce0537e6d52660dd13b695949ae40e0f7f39e822914a55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff99cc7c2962815e3e6ef12dbdb84509dbbb06f07ea2e12c5580002af3d23794",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-06-28T13:29:40Z",
    "title_canon_sha256": "5b60e8e326188c807b2d928ee70f01ba631d6eb59fb8d8125d35f0ade59b9765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6681",
    "kind": "arxiv",
    "version": 1
  }
}