Pith Number

pith:XFDKDEYL

pith:2025:XFDKDEYLUWXA4GA547DEFQHKQH

not attested not anchored not stored refs pending

Measurement-Incompatibility Constraints for Maximal Randomness

Qiongyi He, Tianqi Zheng, Yi Li, Yu Xiang

arxiv:2505.17585 v2 · 2025-05-23 · 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{XFDKDEYLUWXA4GA547DEFQHKQH}

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	2026-07-05T11:36:32.145008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b946a1930ba5ae0e181de7c642c0ea81d5b785808669a084524197c375fb7140

Aliases

arxiv: 2505.17585 · arxiv_version: 2505.17585v2 · doi: 10.48550/arxiv.2505.17585 · pith_short_12: XFDKDEYLUWXA · pith_short_16: XFDKDEYLUWXA4GA5 · pith_short_8: XFDKDEYL

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/XFDKDEYLUWXA4GA547DEFQHKQH \
  | 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: b946a1930ba5ae0e181de7c642c0ea81d5b785808669a084524197c375fb7140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "694307298b819971fa58bbe06fc34df9e490f79023fdcce0276c3e64a4f8ff60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-23T07:45:11Z",
    "title_canon_sha256": "2b4ac94bcf65f2a1e5650038b3b10679745b67a8c8fb271dc0bfe4eeade6b672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.17585",
    "kind": "arxiv",
    "version": 2
  }
}