Pith Number

pith:KWN4VNSG

pith:2010:KWN4VNSGIUCEX4D3QEYSSPOZRV

not attested not anchored not stored refs pending

Casimir effect in a weak gravitational field and the spacetime index of refraction

B. Nazari, M. Nouri-Zonoz

arxiv:1003.0614 v2 · 2010-03-02 · gr-qc · 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{KWN4VNSGIUCEX4D3QEYSSPOZRV}

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	2026-05-18T03:23:03.544538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

559bcab64645044bf07b8131293dd98d787eacc372179be5f3c20d1896a5226e

Aliases

arxiv: 1003.0614 · arxiv_version: 1003.0614v2 · doi: 10.48550/arxiv.1003.0614 · pith_short_12: KWN4VNSGIUCE · pith_short_16: KWN4VNSGIUCEX4D3 · pith_short_8: KWN4VNSG

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/KWN4VNSGIUCEX4D3QEYSSPOZRV \
  | 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: 559bcab64645044bf07b8131293dd98d787eacc372179be5f3c20d1896a5226e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d70db64ec4d7138a1e4de0bcf5a65c1824054f5c72ddf641d69444b1ed1e9d3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-03-02T15:19:28Z",
    "title_canon_sha256": "3d1f01a15cf9bf27fe2f8a8d17b7c7f5c8634a7b4fd5dfb5ed08e476cdb61b91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0614",
    "kind": "arxiv",
    "version": 2
  }
}