Pith Number

pith:YIO54NI7

pith:2018:YIO54NI7DBCI4NN6JKGVM3PB6S

not attested not anchored not stored refs pending

Electromagnetic energy within coated spheres containing dispersive metamaterials

Alexandre S. Martinez, Felipe A. Pinheiro, Tiago J. Arruda

arxiv:1809.05898 v1 · 2018-09-16 · 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{YIO54NI7DBCI4NN6JKGVM3PB6S}

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	2026-05-18T00:05:36.162684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c21dde351f18448e35be4a8d566de1f486c9228c567e23ee3cbd4e858de3cc1f

Aliases

arxiv: 1809.05898 · arxiv_version: 1809.05898v1 · doi: 10.48550/arxiv.1809.05898 · pith_short_12: YIO54NI7DBCI · pith_short_16: YIO54NI7DBCI4NN6 · pith_short_8: YIO54NI7

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/YIO54NI7DBCI4NN6JKGVM3PB6S \
  | 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: c21dde351f18448e35be4a8d566de1f486c9228c567e23ee3cbd4e858de3cc1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e205c9fc427b482a5dea04ae0b030b1c3c941a08b05ed619a49e942561043f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-09-16T15:44:35Z",
    "title_canon_sha256": "e7014727834e0f021cd3f70f42bb5ec7601ac843a9aafe78eddd2fde69eae229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05898",
    "kind": "arxiv",
    "version": 1
  }
}