Pith Number

pith:KSJIF7AV

pith:2023:KSJIF7AVTRR6IYG5YKAOVERZ3W

not attested not anchored not stored refs pending

A complete and operational resource theory of measurement sharpness

Francesco Buscemi, Kodai Kobayashi, Shintaro Minagawa

arxiv:2303.07737 v2 · 2023-03-14 · 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{KSJIF7AVTRR6IYG5YKAOVERZ3W}

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	2026-07-05T07:37:48.436042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

549282fc159c63e460ddc280ea9239ddbe100711bbc2f8e3912b268a9dfd7c5c

Aliases

arxiv: 2303.07737 · arxiv_version: 2303.07737v2 · doi: 10.48550/arxiv.2303.07737 · pith_short_12: KSJIF7AVTRR6 · pith_short_16: KSJIF7AVTRR6IYG5 · pith_short_8: KSJIF7AV

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/KSJIF7AVTRR6IYG5YKAOVERZ3W \
  | 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: 549282fc159c63e460ddc280ea9239ddbe100711bbc2f8e3912b268a9dfd7c5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e5aa90d0ca30cb75249ebb4878307f2b59db28c852af21081276e77d426ecb5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-03-14T09:33:55Z",
    "title_canon_sha256": "1ab3ab6fb6fc925292a5da21975460ace8dd86b32c6f7f8ee62932fd8970f0a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.07737",
    "kind": "arxiv",
    "version": 2
  }
}