Pith Number

pith:FRKIV4BO

pith:2018:FRKIV4BOLIKHDX5OLTSG2EE2U6

not attested not anchored not stored refs pending

Magnetic illusion: transforming a magnetic object into another object by negative permeability

Albert Parra, Alvaro Sanchez, Carles Navau, Nuria Del-Valle, Rosa Mach-Batlle, Sergi Laut

arxiv:1803.08009 v1 · 2018-03-21 · cond-mat.mtrl-sci · cond-mat.supr-con · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRKIV4BOLIKHDX5OLTSG2EE2U6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:20:28.270825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c548af02e5a1471dfae5ce46d109aa78f94ff9eed79a3859d44a8d8d6fda404

Aliases

arxiv: 1803.08009 · arxiv_version: 1803.08009v1 · doi: 10.48550/arxiv.1803.08009 · pith_short_12: FRKIV4BOLIKH · pith_short_16: FRKIV4BOLIKHDX5O · pith_short_8: FRKIV4BO

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/FRKIV4BOLIKHDX5OLTSG2EE2U6 \
  | 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: 2c548af02e5a1471dfae5ce46d109aa78f94ff9eed79a3859d44a8d8d6fda404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40edf53e576bd91e7ce280ac74208db4ec531f9584a7ea40afec30f1e189b68f",
    "cross_cats_sorted": [
      "cond-mat.supr-con",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-03-21T16:52:20Z",
    "title_canon_sha256": "41e5768ee136258b281bf86c44fae7e6820bce4847360bf7482dfd8ce8ee6023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08009",
    "kind": "arxiv",
    "version": 1
  }
}