Pith Number

pith:AWFSMA5T

pith:2005:AWFSMA5TIFZ6UTLT3XQIXUOWEF

not attested not anchored not stored refs pending

Direct measurement of non-linear properties of bipartite quantum states

Alexander Vladimir Sergienko, Artur Ekert, Carolina Moura Alves, Fabio Antonio Bovino, Giuseppe Castagnoli, Pawel Horodecki

arxiv:quant-ph/0511187 v1 · 2005-11-18 · 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{AWFSMA5TIFZ6UTLT3XQIXUOWEF}

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	2026-07-04T16:58:12.963742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

058b2603b34173ea4d73dde08bd1d6215e0fdd8838e422f0d350c4ac0cf6e592

Aliases

arxiv: quant-ph/0511187 · arxiv_version: quant-ph/0511187v1 · doi: 10.48550/arxiv.quant-ph/0511187 · pith_short_12: AWFSMA5TIFZ6 · pith_short_16: AWFSMA5TIFZ6UTLT · pith_short_8: AWFSMA5T

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/AWFSMA5TIFZ6UTLT3XQIXUOWEF \
  | 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: 058b2603b34173ea4d73dde08bd1d6215e0fdd8838e422f0d350c4ac0cf6e592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9ad15b352205e703a258e203f4c449ad078815cde201c0b626845a05b9fe83d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-11-18T18:29:52Z",
    "title_canon_sha256": "13ba1eba0e1df8ca2dab68a9e25e91d56d4d0182e3adab72566caec28acd3044"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0511187",
    "kind": "arxiv",
    "version": 1
  }
}