Pith Number

pith:G7IE7AJR

pith:2012:G7IE7AJR4Z46JDJPPMBSUBCDK7

not attested not anchored not stored refs pending

Electromagnetic duality symmetry and helicity conservation for the macroscopic Maxwell's equations (previously "Experimental demonstration of electromagnetic duality symmetry breaking")

Alexander Minovich, Gabriel Molina-Terriza, Ivan Fernandez-Corbaton, Mathieu L. Juan, Nora Tischler, Xavier Vidal, Xavier Zambrana-Puyalto

arxiv:1206.0868 v2 · 2012-06-05 · 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{G7IE7AJR4Z46JDJPPMBSUBCDK7}

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	2026-05-18T03:16:19.224169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37d04f8131e679e48d2f7b032a044357e19c932285a7c8ba498f470d3c966db8

Aliases

arxiv: 1206.0868 · arxiv_version: 1206.0868v2 · doi: 10.48550/arxiv.1206.0868 · pith_short_12: G7IE7AJR4Z46 · pith_short_16: G7IE7AJR4Z46JDJP · pith_short_8: G7IE7AJR

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/G7IE7AJR4Z46JDJPPMBSUBCDK7 \
  | 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: 37d04f8131e679e48d2f7b032a044357e19c932285a7c8ba498f470d3c966db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a536ee0f3983320d8b131069ca0c52d24163a164522cbba92b75e24e940200eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-06-05T10:18:22Z",
    "title_canon_sha256": "2c54fdb0631fe4cfbf842f534718075c73813ac12fd06fbc16c5a7d19a2e9a1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0868",
    "kind": "arxiv",
    "version": 2
  }
}