Pith Number

pith:OVUI34WK

pith:2014:OVUI34WKI6YYC3YWHZ3TALZDZV

not attested not anchored not stored refs pending

Non-commutativity measure of quantum discord

Yu Guo

arxiv:1412.8325 v2 · 2014-12-29 · 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{OVUI34WKI6YYC3YWHZ3TALZDZV}

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	2026-05-18T01:15:58.895987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75688df2ca47b1816f163e77302f23cd538073fa0512bcb1c853b2c03d278731

Aliases

arxiv: 1412.8325 · arxiv_version: 1412.8325v2 · doi: 10.48550/arxiv.1412.8325 · pith_short_12: OVUI34WKI6YY · pith_short_16: OVUI34WKI6YYC3YW · pith_short_8: OVUI34WK

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/OVUI34WKI6YYC3YWHZ3TALZDZV \
  | 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: 75688df2ca47b1816f163e77302f23cd538073fa0512bcb1c853b2c03d278731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d7b05a53f9aa61b9d6e25e09f28ee3ab8783870b52ac5a6a12a56880d988b92",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-12-29T12:54:57Z",
    "title_canon_sha256": "41b78942706ded52fe092d41693c7c16ca1642f34a453110c485bd29525c6256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8325",
    "kind": "arxiv",
    "version": 2
  }
}