Pith Number

pith:4IEATCBT

pith:2023:4IEATCBTIDHYBZ7UOBPIXDV3QR

not attested not anchored not stored refs pending

Minimal-noise estimation of noncommuting rotations of a spin

Daniel Braun, Jakub Czartowski, Karol \.Zyczkowski

arxiv:2303.08591 v3 · 2023-03-15 · 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{4IEATCBTIDHYBZ7UOBPIXDV3QR}

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	2026-07-05T08:18:40.853653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e20809883340cf80e7f4705e8b8ebb845aa7484158f6740c643aaeb1d5aecd24

Aliases

arxiv: 2303.08591 · arxiv_version: 2303.08591v3 · doi: 10.48550/arxiv.2303.08591 · pith_short_12: 4IEATCBTIDHY · pith_short_16: 4IEATCBTIDHYBZ7U · pith_short_8: 4IEATCBT

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/4IEATCBTIDHYBZ7UOBPIXDV3QR \
  | 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: e20809883340cf80e7f4705e8b8ebb845aa7484158f6740c643aaeb1d5aecd24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4b6d325104b96711222b0701da1796d73fe9ca8f39f262968c69ddb7cf1eaf7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-03-15T13:03:32Z",
    "title_canon_sha256": "e316e290da43ca70fc26a59d5f6048ae94199fbd829c7e09f853bff35fec793c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.08591",
    "kind": "arxiv",
    "version": 3
  }
}