Pith Number

pith:4AZ4QOLB

pith:2010:4AZ4QOLBA4KLUU253JWLSLY56K

not attested not anchored not stored refs pending

Comment on: Power loss and electromagnetic energy density in a dispersive metamaterial medium

Paul Kinsler

arxiv:1008.2097 v2 · 2010-08-12 · physics.class-ph · 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{4AZ4QOLBA4KLUU253JWLSLY56K}

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	2026-05-18T03:52:28.593251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e033c839610714ba535dda6cb92f1df282a3b60ddfd605c541d901a38b229e58

Aliases

arxiv: 1008.2097 · arxiv_version: 1008.2097v2 · doi: 10.48550/arxiv.1008.2097 · pith_short_12: 4AZ4QOLBA4KL · pith_short_16: 4AZ4QOLBA4KLUU25 · pith_short_8: 4AZ4QOLB

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/4AZ4QOLBA4KLUU253JWLSLY56K \
  | 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: e033c839610714ba535dda6cb92f1df282a3b60ddfd605c541d901a38b229e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8e3a69e2acd9c3e4826371f409b39b14e5aca09a5b7feb939b7e2dc4cf86c67",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2010-08-12T11:26:18Z",
    "title_canon_sha256": "fb208ea20ca49760e157db8ea71dc2b4545f860dc35eaeac81f730f482e88ef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2097",
    "kind": "arxiv",
    "version": 2
  }
}