Pith Number

pith:5NWPH654

pith:2008:5NWPH654SMEKCMFQ7KBP2HDCQ3

not attested not anchored not stored refs pending

Frequency-dependent Drude damping in Casimir force calculations

R. ESquivel-Sirvent

arxiv:0812.2209 v1 · 2008-12-11 · 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{5NWPH654SMEKCMFQ7KBP2HDCQ3}

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	2026-05-18T02:15:10.811958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb6cf3fbbc9308a130b0fa82fd1c6286ce94b2ba08d8f9af44526929058b64d3

Aliases

arxiv: 0812.2209 · arxiv_version: 0812.2209v1 · doi: 10.48550/arxiv.0812.2209 · pith_short_12: 5NWPH654SMEK · pith_short_16: 5NWPH654SMEKCMFQ · pith_short_8: 5NWPH654

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/5NWPH654SMEKCMFQ7KBP2HDCQ3 \
  | 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: eb6cf3fbbc9308a130b0fa82fd1c6286ce94b2ba08d8f9af44526929058b64d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c32b48f60edb15c8b59e4269f174811ab229ff1afeebff96d693bf7178edbe14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-12-11T18:10:19Z",
    "title_canon_sha256": "72edae90da2348c42f1ebb346104e5f1de778760372f04c30e8e6c927d63cf00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2209",
    "kind": "arxiv",
    "version": 1
  }
}