Pith Number

pith:33BY2GFR

pith:2009:33BY2GFRAPH3B67FFTFY4DVEIB

not attested not anchored not stored refs pending

Thermal Casimir effect between random layered dielectrics

A. Naji, D.S. Dean, R. Podgornik, R.R. Horgan

arxiv:0901.4521 v1 · 2009-01-28 · cond-mat.dis-nn · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33BY2GFRAPH3B67FFTFY4DVEIB}

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	2026-05-18T02:14:55.405862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dec38d18b103cfb0fbe52ccb8e0ea440663713c42e2ad7ddf333d9a1c96f60b9

Aliases

arxiv: 0901.4521 · arxiv_version: 0901.4521v1 · doi: 10.48550/arxiv.0901.4521 · pith_short_12: 33BY2GFRAPH3 · pith_short_16: 33BY2GFRAPH3B67F · pith_short_8: 33BY2GFR

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/33BY2GFRAPH3B67FFTFY4DVEIB \
  | 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: dec38d18b103cfb0fbe52ccb8e0ea440663713c42e2ad7ddf333d9a1c96f60b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ab8193d730b46f362d5b774492e798707fe13eb872ab1f076758fae9bf180d8",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2009-01-28T18:19:32Z",
    "title_canon_sha256": "5f301dfa7b97fff66369a7375cdc2bbab013654e3d33f16ab805237421f613b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4521",
    "kind": "arxiv",
    "version": 1
  }
}