Pith Number

pith:YPW2HG2W

pith:2017:YPW2HG2W3I52YG4LBGQOR3KT6T

not attested not anchored not stored refs pending

Near-zero index magneto-optical medium realized with an unpaired Dirac point

A. B. Khanikaev, Daniel Leykam, Xin Zhou, Y. D. Chong

arxiv:1712.09502 v2 · 2017-12-27 · 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{YPW2HG2W3I52YG4LBGQOR3KT6T}

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	2026-05-18T00:01:16.599046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3eda39b56da3bac1b8b09a0e8ed53f4e8002fda0db4f4d816aea873c627c5bc

Aliases

arxiv: 1712.09502 · arxiv_version: 1712.09502v2 · doi: 10.48550/arxiv.1712.09502 · pith_short_12: YPW2HG2W3I52 · pith_short_16: YPW2HG2W3I52YG4L · pith_short_8: YPW2HG2W

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/YPW2HG2W3I52YG4LBGQOR3KT6T \
  | 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: c3eda39b56da3bac1b8b09a0e8ed53f4e8002fda0db4f4d816aea873c627c5bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d4e1f9aac05c6cfccf262ed580a0967b0f34248d6aa4ee99d44c21b8f37db4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-12-27T06:08:22Z",
    "title_canon_sha256": "59e258459bc710980459deb72130900255bd52b5ad84e3bbd651ce87129f59b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09502",
    "kind": "arxiv",
    "version": 2
  }
}