Pith Number

pith:VNJ7JZSQ

pith:2015:VNJ7JZSQJW3URPU23BQUJYBNIM

not attested not anchored not stored refs pending

State-Independent Error-Disturbance Tradeoff For Measurement Operators

H. F. Chau, Shengjun Wu, S. S. Zhou

arxiv:1509.03812 v1 · 2015-09-13 · 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{VNJ7JZSQJW3URPU23BQUJYBNIM}

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	2026-05-18T01:15:44.657945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab53f4e6504db748be9ad86144e02d43161b9d57b84f8b620777cd9ef444c8b4

Aliases

arxiv: 1509.03812 · arxiv_version: 1509.03812v1 · doi: 10.48550/arxiv.1509.03812 · pith_short_12: VNJ7JZSQJW3U · pith_short_16: VNJ7JZSQJW3URPU2 · pith_short_8: VNJ7JZSQ

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/VNJ7JZSQJW3URPU23BQUJYBNIM \
  | 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: ab53f4e6504db748be9ad86144e02d43161b9d57b84f8b620777cd9ef444c8b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18efda1b400db0c0c5ccabe79b742088361d66a5ac20111c666ec9cc4dc2228d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-13T05:52:47Z",
    "title_canon_sha256": "acb75310fa0e68ba9b3bd9137178993d9959447af835fc8fffad56d7e93b67b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03812",
    "kind": "arxiv",
    "version": 1
  }
}