Pith Number

pith:RY25FUBO

pith:2012:RY25FUBOUSHHGK3NVHSOCKVBOH

not attested not anchored not stored refs pending

Geometric global quantum discord

Jianwei Xu

arxiv:1205.0330 v2 · 2012-05-02 · 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{RY25FUBOUSHHGK3NVHSOCKVBOH}

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	2026-05-18T01:57:39.100867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e35d2d02ea48e732b6da9e4e12aa171fc4443036503f9d6c521e3afa005a247

Aliases

arxiv: 1205.0330 · arxiv_version: 1205.0330v2 · doi: 10.48550/arxiv.1205.0330 · pith_short_12: RY25FUBOUSHH · pith_short_16: RY25FUBOUSHHGK3N · pith_short_8: RY25FUBO

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/RY25FUBOUSHHGK3NVHSOCKVBOH \
  | 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: 8e35d2d02ea48e732b6da9e4e12aa171fc4443036503f9d6c521e3afa005a247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b99426289f6c7e987e4086129fbb373e5bcce38c81de82683998d3bc16ad624a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-02T06:20:06Z",
    "title_canon_sha256": "da0a854da6530d67eba7e7b24eb6151fcb104dff913b5df1512b5591af180a80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0330",
    "kind": "arxiv",
    "version": 2
  }
}