Pith Number

pith:FRKGKZHE

pith:2013:FRKGKZHEMRU6WAZWIAEBE7R7QN

not attested not anchored not stored refs pending

Tensor Perturbations from Brane-World Inflation with Curvature Effects

Keisuke Izumi, Mariam Bouhmadi-Lopez, Pisin Chen, Yen-Wei Liu

arxiv:1308.5765 v2 · 2013-08-27 · hep-th · astro-ph.CO · 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{FRKGKZHEMRU6WAZWIAEBE7R7QN}

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	2026-05-18T02:52:41.944525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c546564e46469eb03364008127e3f836413ac78f32d7f5678a728ba914a12c0

Aliases

arxiv: 1308.5765 · arxiv_version: 1308.5765v2 · doi: 10.48550/arxiv.1308.5765 · pith_short_12: FRKGKZHEMRU6 · pith_short_16: FRKGKZHEMRU6WAZW · pith_short_8: FRKGKZHE

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/FRKGKZHEMRU6WAZWIAEBE7R7QN \
  | 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: 2c546564e46469eb03364008127e3f836413ac78f32d7f5678a728ba914a12c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d96184b581b7c2f12ecd147d9c56e5b2923d91bf13a85fddc8fe63ff5c8f16fd",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-08-27T06:42:38Z",
    "title_canon_sha256": "59083b447dcdb3b87d76770f33c7449ac9117daf3afa41b13fec58fc5dcdc525"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5765",
    "kind": "arxiv",
    "version": 2
  }
}