Pith Number

pith:WS4D7WBT

pith:2026:WS4D7WBTUOXB3NE65VAPYNHNOC

not attested not anchored not stored refs pending

Simultaneous Heisenberg-Limited Multiparameter Metrology via Indefinite Evolution

Guihua Zeng, Hang Xu, Jinfeng Zheng, Jingzheng Huang, Tailong Xiao, Xiaoyang Deng, Ze Zheng

arxiv:2608.10490 v1 · 2026-08-11 · 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{WS4D7WBTUOXB3NE65VAPYNHNOC}

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	2026-08-12T01:22:35.618716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4b83fd833a3ae1db49eed40fc34ed70a9ae0bcc4fdd32c8494dd39c3c0bd32f

Aliases

arxiv: 2608.10490 · arxiv_version: 2608.10490v1 · doi: 10.48550/arxiv.2608.10490 · pith_short_12: WS4D7WBTUOXB · pith_short_16: WS4D7WBTUOXB3NE6 · pith_short_8: WS4D7WBT

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/WS4D7WBTUOXB3NE65VAPYNHNOC \
  | 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: b4b83fd833a3ae1db49eed40fc34ed70a9ae0bcc4fdd32c8494dd39c3c0bd32f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd244bc19d6c8bc422e992a2cb835e966dc6788cd81f7922590e51a7b2304e0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-11T05:04:40Z",
    "title_canon_sha256": "f7b0a50c2a6a1450f129c56713e488b356ec7a46c8c25fe172b2e31e1a12df35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10490",
    "kind": "arxiv",
    "version": 1
  }
}