Pith Number

pith:W25QJ76M

pith:2014:W25QJ76MQC5CKPMMKPHEJY7SHC

not attested not anchored not stored refs pending

Quantum correlation cost of the weak measurement

Chang-shui Yu, Jun Zhang, Shao-xiong Wu

arxiv:1409.4017 v1 · 2014-09-14 · 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{W25QJ76MQC5CKPMMKPHEJY7SHC}

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	2026-05-18T02:32:38.428139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6bb04ffcc80ba253d8c53ce44e3f238a158f21ef01a1e95c55b91157e3ac0f2

Aliases

arxiv: 1409.4017 · arxiv_version: 1409.4017v1 · doi: 10.48550/arxiv.1409.4017 · pith_short_12: W25QJ76MQC5C · pith_short_16: W25QJ76MQC5CKPMM · pith_short_8: W25QJ76M

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/W25QJ76MQC5CKPMMKPHEJY7SHC \
  | 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: b6bb04ffcc80ba253d8c53ce44e3f238a158f21ef01a1e95c55b91157e3ac0f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c0b8b20299d03adaf1b3c6c662d46ef10bc917050e7a89999946541bb185be5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-14T04:59:51Z",
    "title_canon_sha256": "0dd29aa8f7ec52302c1b6e8d0af5eb65263e54f3ebf32ca17a0337145875877a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4017",
    "kind": "arxiv",
    "version": 1
  }
}