Pith Number

pith:2KDJLQJ5

pith:2019:2KDJLQJ5DMEARCEKDCRKT2NGC2

not attested not anchored not stored refs pending

Negative optical torque on a microsphere in optical tweezers

H. M. Nussenzveig, K. Diniz, L. B. Pires, N. B. Viana, P. A. Maia Neto, R. S. Dutra

arxiv:1901.09370 v1 · 2019-01-27 · physics.optics · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KDJLQJ5DMEARCEKDCRKT2NGC2}

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	2026-05-17T23:50:21.651584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28695c13d1b0808888a18a2a9e9a616a4e57d68aea5dadcaddda5567b7cb70f

Aliases

arxiv: 1901.09370 · arxiv_version: 1901.09370v1 · doi: 10.48550/arxiv.1901.09370 · pith_short_12: 2KDJLQJ5DMEA · pith_short_16: 2KDJLQJ5DMEARCEK · pith_short_8: 2KDJLQJ5

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/2KDJLQJ5DMEARCEKDCRKT2NGC2 \
  | 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: d28695c13d1b0808888a18a2a9e9a616a4e57d68aea5dadcaddda5567b7cb70f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "836a2cdcc39ddd514f13747b54669b2270a152ac92c77e5fa8535b337c093688",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-01-27T13:05:36Z",
    "title_canon_sha256": "ea4f28095fe88641c2c5e52593179bf41fa42bdc9b2e7c26090299a1af5cc4d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09370",
    "kind": "arxiv",
    "version": 1
  }
}