Pith Number

pith:OQFIV67N

pith:2011:OQFIV67N6OOEJGY65BQZUS6EB5

not attested not anchored not stored refs pending

Electromagnetic Casimir effect and the spacetime index of refraction

B. Nazari, M. Nouri-Zonoz

arxiv:1110.4257 v2 · 2011-10-19 · 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{OQFIV67N6OOEJGY65BQZUS6EB5}

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	2026-05-18T04:01:13.005857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

740a8afbedf39c449b1ee8619a4bc40f42e00a35c1c1e9f54e273d795ba651cd

Aliases

arxiv: 1110.4257 · arxiv_version: 1110.4257v2 · doi: 10.48550/arxiv.1110.4257 · pith_short_12: OQFIV67N6OOE · pith_short_16: OQFIV67N6OOEJGY6 · pith_short_8: OQFIV67N

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/OQFIV67N6OOEJGY65BQZUS6EB5 \
  | 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: 740a8afbedf39c449b1ee8619a4bc40f42e00a35c1c1e9f54e273d795ba651cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f5f0937330ef548b3de1de73ee8ff6f5f7e52e5000ea467fc65380eb768c2a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-10-19T12:20:56Z",
    "title_canon_sha256": "56998e2adb365a803a4b25b805756f2063e9c04b42bee10fd12f7db6d03d51ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4257",
    "kind": "arxiv",
    "version": 2
  }
}