Pith Number

pith:EL3EAQCE

pith:2025:EL3EAQCEQ4NJ35ZETHD37BK3AL

not attested not anchored not stored refs pending

Sample-optimal learning of quantum states using gentle measurements

Cristina Butucea, Henning Stein, Jan Johannes

arxiv:2505.24587 v3 · 2025-05-30 · quant-ph · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EL3EAQCEQ4NJ35ZETHD37BK3AL}

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	2026-05-28T02:04:40.921236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22f6404044871a9df72499c7bf855b02ed07d1028b330ae7e095c5e972be7476

Aliases

arxiv: 2505.24587 · arxiv_version: 2505.24587v3 · doi: 10.48550/arxiv.2505.24587 · pith_short_12: EL3EAQCEQ4NJ · pith_short_16: EL3EAQCEQ4NJ35ZE · pith_short_8: EL3EAQCE

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/EL3EAQCEQ4NJ35ZETHD37BK3AL \
  | 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: 22f6404044871a9df72499c7bf855b02ed07d1028b330ae7e095c5e972be7476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e209367ca075144f799dfb5c6db5c3ce54c333320683fc6ce3f6ae604fdccf65",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-30T13:34:11Z",
    "title_canon_sha256": "43944ae5f15fa75c464f839f8cb6bb6ac60f0fa88371273d8d74fed8ea50760c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24587",
    "kind": "arxiv",
    "version": 3
  }
}