Pith Number

pith:4WEAPRGK

pith:2011:4WEAPRGK6MTCS23FXDG2OPQTIH

not attested not anchored not stored refs pending

Casimir effect from macroscopic quantum electrodynamics

T.G. Philbin

arxiv:1103.0187 v3 · 2011-03-01 · 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{4WEAPRGK6MTCS23FXDG2OPQTIH}

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	2026-05-18T02:03:01.690976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e58807c4caf326296b65b8cda73e1341e783264e6c1066ca044cfb0aee3d691f

Aliases

arxiv: 1103.0187 · arxiv_version: 1103.0187v3 · doi: 10.48550/arxiv.1103.0187 · pith_short_12: 4WEAPRGK6MTC · pith_short_16: 4WEAPRGK6MTCS23F · pith_short_8: 4WEAPRGK

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/4WEAPRGK6MTCS23FXDG2OPQTIH \
  | 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: e58807c4caf326296b65b8cda73e1341e783264e6c1066ca044cfb0aee3d691f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f134cdd14283e5a96df4c08f2355303a5fac729495f96bbdb5161a06d8570c65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-03-01T15:05:00Z",
    "title_canon_sha256": "494057536370e2c55762f84e17c66ceca70987f281cf1393fa4f43fedaba7321"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0187",
    "kind": "arxiv",
    "version": 3
  }
}