Pith Number

pith:ZCHWWNX5

pith:2025:ZCHWWNX5DZWWG6WBL6CLFYW5YF

not attested not anchored not stored refs pending

Optical Interferometric Readout of a Magnetically Levitated Superconducting Microsphere

D. Ilk, G. Higgins, J. Hofer, J. J. Hansen, M. Aspelmeyer, M. Trupke, P. Asenbaum, P. Schmidt, R. Claessen, R. G. Povey, S. Minniberger

arxiv:2508.11731 v1 · 2025-08-15 · 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{ZCHWWNX5DZWWG6WBL6CLFYW5YF}

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	2026-07-05T11:54:53.288930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c88f6b36fd1e6d637ac15f84b2e2ddc1460d8115f72c690738901c603a2df9c4

Aliases

arxiv: 2508.11731 · arxiv_version: 2508.11731v1 · doi: 10.48550/arxiv.2508.11731 · pith_short_12: ZCHWWNX5DZWW · pith_short_16: ZCHWWNX5DZWWG6WB · pith_short_8: ZCHWWNX5

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/ZCHWWNX5DZWWG6WBL6CLFYW5YF \
  | 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: c88f6b36fd1e6d637ac15f84b2e2ddc1460d8115f72c690738901c603a2df9c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1405a299a59a11bed42cad14b24656992902493da92d7f8a1cbc4a0bdb3fce86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-15T12:08:56Z",
    "title_canon_sha256": "8120afa5b716a1daf1317cdbadae0853bf7165df2f5f58a90d307810bcd8da3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.11731",
    "kind": "arxiv",
    "version": 1
  }
}