Pith Number

pith:FTHFKWHC

pith:2026:FTHFKWHCXGZ7SYWZE3O67IK7AV

not attested not anchored not stored refs pending

Magneto-optical hologram lens with microsecond focal switching in magnetic garnet

Eri Negishi, Hibiki Miyashita, Kazushi Ishiyama, Mitsuteru Inoue, Taichi Goto, Toshiaki Watanabe

arxiv:2607.13985 v1 · 2026-07-15 · physics.optics · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTHFKWHCXGZ7SYWZE3O67IK7AV}

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	2026-07-16T01:23:18.029518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cce5558e2b9b3f962d926ddefa15f0574da7244ead22fa11cba69228e958430

Aliases

arxiv: 2607.13985 · arxiv_version: 2607.13985v1 · doi: 10.48550/arxiv.2607.13985 · pith_short_12: FTHFKWHCXGZ7 · pith_short_16: FTHFKWHCXGZ7SYWZ · pith_short_8: FTHFKWHC

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/FTHFKWHCXGZ7SYWZE3O67IK7AV \
  | 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: 2cce5558e2b9b3f962d926ddefa15f0574da7244ead22fa11cba69228e958430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e26db93dbfc060ebbc9ae8d9d6fe4d2935922415ed8743d7013b78463bdb074b",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-07-15T16:13:39Z",
    "title_canon_sha256": "7f48a76d1e2f561561bfeb9cdda91a9872e41f373fa70c7a9d851b032780c025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13985",
    "kind": "arxiv",
    "version": 1
  }
}