Pith Number

pith:D2WTC6UM

pith:2019:D2WTC6UMLM2IJ52COUWMMGYDKX

not attested not anchored not stored refs pending

Unidirectional Maxwellian Spin Waves

Todd Van Mechelen, Zubin Jacob

arxiv:1903.09278 v1 · 2019-03-22 · 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{D2WTC6UMLM2IJ52COUWMMGYDKX}

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	2026-05-17T23:42:41.977670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ead317a8c5b3484f742752cc61b0355f191d134693a642797ab4d7c7e7828ee

Aliases

arxiv: 1903.09278 · arxiv_version: 1903.09278v1 · doi: 10.48550/arxiv.1903.09278 · pith_short_12: D2WTC6UMLM2I · pith_short_16: D2WTC6UMLM2IJ52C · pith_short_8: D2WTC6UM

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/D2WTC6UMLM2IJ52COUWMMGYDKX \
  | 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: 1ead317a8c5b3484f742752cc61b0355f191d134693a642797ab4d7c7e7828ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "272b290ff810d5f1d4b3c27169f9ffdc82e2b6c13c99aa1ce43bfa7156a6f66c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-03-22T00:12:34Z",
    "title_canon_sha256": "389ee3e2f855c8e06e7e295455d4201f595e2029f71d280d1923263ccfc81225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09278",
    "kind": "arxiv",
    "version": 1
  }
}