Pith Number

pith:77YQG3S4

pith:2009:77YQG3S4DM2WFCMLQVHZKDTCIU

not attested not anchored not stored refs pending

Vacuum fluctuations and topological Casimir effect in Friedmann-Robertson-Walker cosmologies with compact dimensions

A. A. Saharian, A. L. Mkhitaryan

arxiv:0908.3291 v1 · 2009-08-23 · hep-th · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77YQG3S4DM2WFCMLQVHZKDTCIU}

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	2026-05-18T04:42:23.961702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fff1036e5c1b3562898b854f950e62451d64a8a17c0c6e048b447215ed8b66ed

Aliases

arxiv: 0908.3291 · arxiv_version: 0908.3291v1 · doi: 10.48550/arxiv.0908.3291 · pith_short_12: 77YQG3S4DM2W · pith_short_16: 77YQG3S4DM2WFCML · pith_short_8: 77YQG3S4

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/77YQG3S4DM2WFCMLQVHZKDTCIU \
  | 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: fff1036e5c1b3562898b854f950e62451d64a8a17c0c6e048b447215ed8b66ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e53ae76e5ee9953a5243e55b0672ae8417d77f65e109583514c46b25fa5bb2bc",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-08-23T09:40:05Z",
    "title_canon_sha256": "5d62d40266e1853707f5a93b293affa30e4644e2ccf6cfd96e19fb8fd4952d74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3291",
    "kind": "arxiv",
    "version": 1
  }
}