Pith Number

pith:MQWW7WTN

pith:2007:MQWW7WTNKD3HOMAMTWHLEXATSF

not attested not anchored not stored refs pending

Optical Magnetism: from Red to Blue

Alexander V. Kildishev, Hsiao-Kuan Yuan, Uday K. Chettiar, Vashista de Silva, Vladimir M. Shalaev, Vladimir P. Drachev, Wenshan Cai

arxiv:physics/0701020 v1 · 2007-01-01 · 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{MQWW7WTNKD3HOMAMTWHLEXATSF}

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	2026-07-04T14:58:20.778300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

642d6fda6d50f677300c9d8eb25c139160541ec82d0c0bc4346fad5fd90bffdf

Aliases

arxiv: physics/0701020 · arxiv_version: physics/0701020v1 · doi: 10.48550/arxiv.physics/0701020 · pith_short_12: MQWW7WTNKD3H · pith_short_16: MQWW7WTNKD3HOMAM · pith_short_8: MQWW7WTN

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/MQWW7WTNKD3HOMAMTWHLEXATSF \
  | 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: 642d6fda6d50f677300c9d8eb25c139160541ec82d0c0bc4346fad5fd90bffdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12e1af1a5ae7598d3e72515f74aca8880a27306ccd2b66d656a91e338ef20fc2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2007-01-01T23:49:12Z",
    "title_canon_sha256": "8b49f2dd480bdc2748291af9be1646f0d1d80f69e990708797e5341749607397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0701020",
    "kind": "arxiv",
    "version": 1
  }
}