Pith Number

pith:6UTNHCXY

pith:2018:6UTNHCXYVTC2JIPNXHTCJ2GT3Q

not attested not anchored not stored refs pending

Local quantum uncertainty guarantees the measurement precision for two coupled two-level systems in non-Markovian environment

Chang-shui Yu, Shao-xiong Wu, Yang Zhang

arxiv:1802.08942 v1 · 2018-02-25 · 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{6UTNHCXYVTC2JIPNXHTCJ2GT3Q}

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	2026-05-18T00:22:35.977914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f526d38af8acc5a4a1edb9e624e8d3dc1f4c2b0597308656da03fbdca0650849

Aliases

arxiv: 1802.08942 · arxiv_version: 1802.08942v1 · doi: 10.48550/arxiv.1802.08942 · pith_short_12: 6UTNHCXYVTC2 · pith_short_16: 6UTNHCXYVTC2JIPN · pith_short_8: 6UTNHCXY

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/6UTNHCXYVTC2JIPNXHTCJ2GT3Q \
  | 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: f526d38af8acc5a4a1edb9e624e8d3dc1f4c2b0597308656da03fbdca0650849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e733fb6d01ab52bfe522346cb16b9c26c5120ac7047530524cba317c90a71b10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-25T02:06:37Z",
    "title_canon_sha256": "ed11937df10701c6bb82d45a66b15f85701b665c1ee336c4693aacb0a6049a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08942",
    "kind": "arxiv",
    "version": 1
  }
}