Pith Number

pith:X2HVJEFR

pith:2008:X2HVJEFR4GFCI4ECILG3KGQYBU

not attested not anchored not stored refs pending

Low temperature Casimir-Lifshitz free energy and entropy: the case of poor conductors

Iver Brevik, Johan S. H{\o}ye, Kimball A. Milton, Simen A. {\AA}dn{\o}y Ellingsen

arxiv:0809.0763 v1 · 2008-09-04 · 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{X2HVJEFR4GFCI4ECILG3KGQYBU}

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	2026-05-18T02:15:35.549013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be8f5490b1e18a24708242cdb51a180d276bbc2b65f88a7b7180c28e80a1ed68

Aliases

arxiv: 0809.0763 · arxiv_version: 0809.0763v1 · doi: 10.48550/arxiv.0809.0763 · pith_short_12: X2HVJEFR4GFC · pith_short_16: X2HVJEFR4GFCI4EC · pith_short_8: X2HVJEFR

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/X2HVJEFR4GFCI4ECILG3KGQYBU \
  | 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: be8f5490b1e18a24708242cdb51a180d276bbc2b65f88a7b7180c28e80a1ed68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3d8075d34e465067e9d687f087e93a04c783e1fce9d451aa984aa0adc464175",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-09-04T08:06:45Z",
    "title_canon_sha256": "385dbff6d1d3c7ba8f00c7a2740c7ac450046d3789596262d868725b9d524041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0763",
    "kind": "arxiv",
    "version": 1
  }
}