Pith Number

pith:DO7BB7IH

pith:2021:DO7BB7IHVTIGTUZ6CVAK6LIGQ7

not attested not anchored not stored refs pending

Multiparameter quantum metrology using strongly interacting spin systems

Dieter Suter, Min Jiang, Qing Li, Ran Liu, Xinhua Peng, Yunlan Ji

arxiv:2104.00211 v1 · 2021-04-01 · 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{DO7BB7IHVTIGTUZ6CVAK6LIGQ7}

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	2026-07-05T02:28:24.948404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bbe10fd07acd069d33e1540af2d0687c9fd9874bf25b6795852e31259e659ca

Aliases

arxiv: 2104.00211 · arxiv_version: 2104.00211v1 · doi: 10.48550/arxiv.2104.00211 · pith_short_12: DO7BB7IHVTIG · pith_short_16: DO7BB7IHVTIGTUZ6 · pith_short_8: DO7BB7IH

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/DO7BB7IHVTIGTUZ6CVAK6LIGQ7 \
  | 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: 1bbe10fd07acd069d33e1540af2d0687c9fd9874bf25b6795852e31259e659ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14f2bf4f22858e4ad07a7dc2dce2220c15dab02c40c009a10db391e9a9938e0f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-01T02:33:35Z",
    "title_canon_sha256": "e01df9f66e36e1d0e53f16711a6406737d9d7372d424f0a724b2e79596e94370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00211",
    "kind": "arxiv",
    "version": 1
  }
}