Pith Number

pith:REWC7HCL

pith:2012:REWC7HCL5IUR6JRJPAGBD56MUE

not attested not anchored not stored refs pending

Possibility of a minimal purity-measurement scheme critically depends on the parity of dimension of the quantum system

Gen Kimura, Hiromichi Nakazato, Toru Tanaka

arxiv:1209.0079 v4 · 2012-09-01 · 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{REWC7HCL5IUR6JRJPAGBD56MUE}

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	2026-05-18T03:37:18.847821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

892c2f9c4bea291f2629780c11f7cca137de0278cb07bfe225e43cc3a33b9881

Aliases

arxiv: 1209.0079 · arxiv_version: 1209.0079v4 · doi: 10.48550/arxiv.1209.0079 · pith_short_12: REWC7HCL5IUR · pith_short_16: REWC7HCL5IUR6JRJ · pith_short_8: REWC7HCL

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/REWC7HCL5IUR6JRJPAGBD56MUE \
  | 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: 892c2f9c4bea291f2629780c11f7cca137de0278cb07bfe225e43cc3a33b9881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52834ac9d94a5a79679668680241266a38ccdcaea286427b725c0fa2f0bc2b83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-01T10:11:56Z",
    "title_canon_sha256": "b594dc852ec585dde3ea78a179ac6c2454dfc8862f5e70659eca9805babdd115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0079",
    "kind": "arxiv",
    "version": 4
  }
}