pith. sign in
Pith Number

pith:SFIHQW2O

pith:2013:SFIHQW2O5RET3HSTMM7VEGUU46
not attested not anchored not stored refs pending

A no-boundary proposal for braneworld perturbations

Alexander Viznyuk, Varun Sahni, Yuri Shtanov

arxiv:1310.8048 v1 · 2013-10-30 · gr-qc · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SFIHQW2O5RET3HSTMM7VEGUU46}

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 2026-05-18T02:53:40.886371Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9150785b4eec493d9e53633f521a94e79900efc154e6d0c72370d8420d525294

Aliases

arxiv: 1310.8048 · arxiv_version: 1310.8048v1 · doi: 10.48550/arxiv.1310.8048 · pith_short_12: SFIHQW2O5RET · pith_short_16: SFIHQW2O5RET3HST · pith_short_8: SFIHQW2O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SFIHQW2O5RET3HSTMM7VEGUU46 \
  | 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: 9150785b4eec493d9e53633f521a94e79900efc154e6d0c72370d8420d525294
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "70336e938b26dcddd7d3c4e1ae7ae5dbdb2b93238f8ab94c1fc99a57f1a97395",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-10-30T07:23:33Z",
    "title_canon_sha256": "8e46b5fef85728397e7584723b23fb7cb0af4604dc0143beff4d6eb86e3f2b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8048",
    "kind": "arxiv",
    "version": 1
  }
}