Pith Number

pith:XQRHAT45

pith:2017:XQRHAT45SM7QMQUGUA6ON3JZPQ

not attested not anchored not stored refs pending

Diagonal quantum discord

Ryuji Takagi, Seth Lloyd, Zi-Wen Liu

arxiv:1708.09076 v2 · 2017-08-30 · 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{XQRHAT45SM7QMQUGUA6ON3JZPQ}

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	2026-05-17T23:52:24.665609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc22704f9d933f064286a03ce6ed397c2fd57e5e577ec4e3a9482a3c0604b366

Aliases

arxiv: 1708.09076 · arxiv_version: 1708.09076v2 · doi: 10.48550/arxiv.1708.09076 · pith_short_12: XQRHAT45SM7Q · pith_short_16: XQRHAT45SM7QMQUG · pith_short_8: XQRHAT45

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/XQRHAT45SM7QMQUGUA6ON3JZPQ \
  | 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: bc22704f9d933f064286a03ce6ed397c2fd57e5e577ec4e3a9482a3c0604b366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95d0c201a2714e1157ce960a773314e58a8052e948cb0465a6bfef3677ad57a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-30T01:21:39Z",
    "title_canon_sha256": "ef723624d62aecce7056c74013510cf46ff167c66b1f37a5e54c2593e7115670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09076",
    "kind": "arxiv",
    "version": 2
  }
}