Pith Number

pith:5ZG6SFY7

pith:2018:5ZG6SFY7OLMRTXDLOWSNSTKELV

not attested not anchored not stored refs pending

Unidirectional Loop Metamaterials (ULM) as Magnetless Artificial Ferrimagnetic Materials: Principles and Applications

Christophe Caloz, Toshiro Kodera

arxiv:1804.08719 v1 · 2018-04-16 · physics.app-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{5ZG6SFY7OLMRTXDLOWSNSTKELV}

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	2026-05-18T00:11:49.301765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee4de9171f72d919dc6b75a4d94d445d4bcd72b6d570f277ddcd18f953ddbfe9

Aliases

arxiv: 1804.08719 · arxiv_version: 1804.08719v1 · doi: 10.48550/arxiv.1804.08719 · pith_short_12: 5ZG6SFY7OLMR · pith_short_16: 5ZG6SFY7OLMRTXDL · pith_short_8: 5ZG6SFY7

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/5ZG6SFY7OLMRTXDLOWSNSTKELV \
  | 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: ee4de9171f72d919dc6b75a4d94d445d4bcd72b6d570f277ddcd18f953ddbfe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99e35996b550e6d312e01a6bbfd7efb1db07b57668b1a8829e16436888070ee7",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-04-16T17:05:20Z",
    "title_canon_sha256": "ce5ae568c9a93d033b33c0f972fed7cbb2a2cc77e913683f3e8e2f417f8f7c97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08719",
    "kind": "arxiv",
    "version": 1
  }
}