Pith Number

pith:YIUFY6DI

pith:2015:YIUFY6DICAUVZ7QJVGOP3ZA3MJ

not attested not anchored not stored refs pending

Toroidal optical activity

D. P. Tsai, I. Kuprov, I. Youngs, N. I. Zheludev, N. Papasimakis, T. A. Raybould, V. A. Fedotov, W. T. Chen

arxiv:1508.06192 v1 · 2015-08-25 · 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{YIUFY6DICAUVZ7QJVGOP3ZA3MJ}

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	2026-05-18T01:11:13.352744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2285c786810295cfe09a99cfde41b625ec1ec2ba264ba69309eedbf7893e554

Aliases

arxiv: 1508.06192 · arxiv_version: 1508.06192v1 · doi: 10.48550/arxiv.1508.06192 · pith_short_12: YIUFY6DICAUV · pith_short_16: YIUFY6DICAUVZ7QJ · pith_short_8: YIUFY6DI

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/YIUFY6DICAUVZ7QJVGOP3ZA3MJ \
  | 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: c2285c786810295cfe09a99cfde41b625ec1ec2ba264ba69309eedbf7893e554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc312c5ce1b23f20447d9209970aa40ce45f3aef4a4918f2015e9971b071f50d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-08-25T15:44:25Z",
    "title_canon_sha256": "01e62c7a650ac1a04d66c419613507e6d35443ff2f5478fc0c82f89b42298ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06192",
    "kind": "arxiv",
    "version": 1
  }
}