Pith Number

pith:TL2AOUGO

pith:2022:TL2AOUGOUUSA5AAZV7JNPV6BMW

not attested not anchored not stored refs pending

Experimental demonstration of topological bounds in quantum metrology

Bruno Mera, F. Nur \"Unal, Jianming Cai, Min Yu, Nathan Goldman, Pengcheng Yang, Xiangbei Li, Yaoming Chu, Yu Liu

arxiv:2206.00546 v3 · 2022-06-01 · quant-ph · cond-mat.mes-hall · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TL2AOUGOUUSA5AAZV7JNPV6BMW}

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	2026-07-05T09:33:22.958633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9af40750cea5240e8019afd2d7d7c165bf2dfd425983ba895676566f1238ce1e

Aliases

arxiv: 2206.00546 · arxiv_version: 2206.00546v3 · doi: 10.48550/arxiv.2206.00546 · pith_short_12: TL2AOUGOUUSA · pith_short_16: TL2AOUGOUUSA5AAZ · pith_short_8: TL2AOUGO

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/TL2AOUGOUUSA5AAZV7JNPV6BMW \
  | 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: 9af40750cea5240e8019afd2d7d7c165bf2dfd425983ba895676566f1238ce1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7914eb8726f758e0fa17436581c85a498adcbd3e8fe2fc8cf9a8797be4fa1ae7",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-06-01T14:59:10Z",
    "title_canon_sha256": "ba8470ffd0bd18b2bbd39f71a0c9ee62995452c0d577e611e560ae8d12b7ee73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.00546",
    "kind": "arxiv",
    "version": 3
  }
}