Pith Number

pith:WWPLGXGU

pith:2016:WWPLGXGUA7WUNLGWS75YPVJNCV

not attested not anchored not stored refs pending

Conditional purity and quantum correlation measures in two qubit mixed states

C. Iemmi, J.J.M. Varga, L. Reb\'on, N. Canosa, N. Gigena, R. Rossignoli, S. Ledesma

arxiv:1602.05863 v2 · 2016-02-18 · 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{WWPLGXGUA7WUNLGWS75YPVJNCV}

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	2026-05-18T00:57:31.407169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b59eb35cd407ed46acd697fb87d52d154510f35cf7089e4813fa9e9d30ee626f

Aliases

arxiv: 1602.05863 · arxiv_version: 1602.05863v2 · doi: 10.48550/arxiv.1602.05863 · pith_short_12: WWPLGXGUA7WU · pith_short_16: WWPLGXGUA7WUNLGW · pith_short_8: WWPLGXGU

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/WWPLGXGUA7WUNLGWS75YPVJNCV \
  | 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: b59eb35cd407ed46acd697fb87d52d154510f35cf7089e4813fa9e9d30ee626f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8cdd1abecb2b8945a7a79cb8f994a050d18014cbb4b5b58f9d0f035ded2c5d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-18T16:29:38Z",
    "title_canon_sha256": "ad9c6f83fdf5d5589d66cffbcbd49dca27581784c1c4ffc9428a13c827d0413f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05863",
    "kind": "arxiv",
    "version": 2
  }
}