Pith Number

pith:UCTZNPWU

pith:2025:UCTZNPWUTK46USF6IUTUET2OCQ

not attested not anchored not stored refs pending

Optimal quantum measurements for additive information and disturbance measures

Hiroaki Terashima

arxiv:2507.03346 v1 · 2025-07-04 · 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{UCTZNPWUTK46USF6IUTUET2OCQ}

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	2026-07-05T11:31:57.680775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0a796bed49ab9ea48be4527424f4e142a3213ad8e7f8a52faf8f4e890182aed

Aliases

arxiv: 2507.03346 · arxiv_version: 2507.03346v1 · doi: 10.48550/arxiv.2507.03346 · pith_short_12: UCTZNPWUTK46 · pith_short_16: UCTZNPWUTK46USF6 · pith_short_8: UCTZNPWU

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/UCTZNPWUTK46USF6IUTUET2OCQ \
  | 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: a0a796bed49ab9ea48be4527424f4e142a3213ad8e7f8a52faf8f4e890182aed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db95b31899bb88f1bceb4d208cef7c48ec931546cdb5a32b88b627be49b44d2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-04T07:22:24Z",
    "title_canon_sha256": "0deec19d4dd208d883c083d4dbc322afb4b116e57907f63715fd17c84d00a383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03346",
    "kind": "arxiv",
    "version": 1
  }
}