Pith Number

pith:ZXUYW5CR

pith:2019:ZXUYW5CRVA7LYK4FMVTKFX2U5D

not attested not anchored not stored refs pending

Direct Evidence of Torque-mediated Optical Magnetism

Apoorv Shanker, Elizabeth F.C. Dreyer, Jinsang Kim, Krishnandu Makhal, M. Tuan Trinh, Seong-Jun Yoon, Stephen C. Rand

arxiv:1905.00552 v1 · 2019-05-02 · 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{ZXUYW5CRVA7LYK4FMVTKFX2U5D}

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	2026-05-17T23:47:11.577644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cde98b7451a83ebc2b856566a2df54e8e4a3522b9df73adb1d422f6f48c1ef70

Aliases

arxiv: 1905.00552 · arxiv_version: 1905.00552v1 · doi: 10.48550/arxiv.1905.00552 · pith_short_12: ZXUYW5CRVA7L · pith_short_16: ZXUYW5CRVA7LYK4F · pith_short_8: ZXUYW5CR

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/ZXUYW5CRVA7LYK4FMVTKFX2U5D \
  | 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: cde98b7451a83ebc2b856566a2df54e8e4a3522b9df73adb1d422f6f48c1ef70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df0624678db007fe8306a92cafe9cc77b92de65a2ac965c0d83c60efd8e80d84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-05-02T02:21:53Z",
    "title_canon_sha256": "1c953e2a84c701605f2589a401f6c911b1e8f8d767ef49b62f5d221a1648d7ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00552",
    "kind": "arxiv",
    "version": 1
  }
}