Pith Number

pith:3P6THXCE

pith:2010:3P6THXCE33L44MVWLAWIDFGBBR

not attested not anchored not stored refs pending

On limitations of the Bruggeman formalism for inverse homogenization

Siti S. Jamaian (University of Edinburgh), Tom G. Mackay (University of Edinburgh)

arxiv:1004.5331 v1 · 2010-04-29 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3P6THXCE33L44MVWLAWIDFGBBR}

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	2026-05-18T02:07:45.035465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbfd33dc44ded7ce32b6582c8194c10c480570160101eeb3b8f411659f360142

Aliases

arxiv: 1004.5331 · arxiv_version: 1004.5331v1 · doi: 10.48550/arxiv.1004.5331 · pith_short_12: 3P6THXCE33L4 · pith_short_16: 3P6THXCE33L44MVW · pith_short_8: 3P6THXCE

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/3P6THXCE33L44MVWLAWIDFGBBR \
  | 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: dbfd33dc44ded7ce32b6582c8194c10c480570160101eeb3b8f411659f360142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b598a52e91a944ae9d9e4cd458ccce570502421e564a8b7c7322a14414efedc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-04-29T16:28:43Z",
    "title_canon_sha256": "febb7b5892f8b479dcf29fefa21d8194221989fadfe2ef8c94404111bd7c1fb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5331",
    "kind": "arxiv",
    "version": 1
  }
}