Pith Number

pith:7Z7ZCKPL

pith:2005:7Z7ZCKPLSTAIPOMRMGELWF6O7M

not attested not anchored not stored refs pending

Minimax and adaptive estimation of the Wigner function in quantum homodyne tomography with noisy data

Cristina Butucea, Luis Artiles, Madalin Gu\c{t}a

arxiv:math/0504058 v3 · 2005-04-04 · math.ST · math.PR · quant-ph · 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{7Z7ZCKPLSTAIPOMRMGELWF6O7M}

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	2026-05-18T04:19:32.799977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7f9129eb94c087b9916188bb17cefb325ee77fa786577bceaf03d1b4bf5936

Aliases

arxiv: math/0504058 · arxiv_version: math/0504058v3 · doi: 10.48550/arxiv.math/0504058 · pith_short_12: 7Z7ZCKPLSTAI · pith_short_16: 7Z7ZCKPLSTAIPOMR · pith_short_8: 7Z7ZCKPL

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/7Z7ZCKPLSTAIPOMRMGELWF6O7M \
  | 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: fe7f9129eb94c087b9916188bb17cefb325ee77fa786577bceaf03d1b4bf5936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "504f2268867bb87310cbaea56a002749ca33f82f9e8b7cc90867a7012363fb74",
    "cross_cats_sorted": [
      "math.PR",
      "quant-ph",
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2005-04-04T15:55:40Z",
    "title_canon_sha256": "c144ce0a4b4cf0d1126c8ef715416d5c47b0a79dde43d5d37970899738a90e4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0504058",
    "kind": "arxiv",
    "version": 3
  }
}