Pith Number

pith:46POBZEO

pith:2014:46POBZEOXNI7XVU2NLD3ZCBGT2

not attested not anchored not stored refs pending

Witnessing genuine multipartite entanglement with positive maps

Marcus Huber, Ritabrata Sengupta

arxiv:1404.7449 v2 · 2014-04-29 · 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{46POBZEOXNI7XVU2NLD3ZCBGT2}

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.

Cited by

1 paper in Pith

Entanglement Certification $-$ From Theory to Experiment

Receipt and verification

First computed	2026-05-18T02:43:10.933244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e79ee0e48ebb51fbd69a6ac7bc88269e989845694ac9a5af990a6feaa0a349fe

Aliases

arxiv: 1404.7449 · arxiv_version: 1404.7449v2 · doi: 10.48550/arxiv.1404.7449 · pith_short_12: 46POBZEOXNI7 · pith_short_16: 46POBZEOXNI7XVU2 · pith_short_8: 46POBZEO

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/46POBZEOXNI7XVU2NLD3ZCBGT2 \
  | 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: e79ee0e48ebb51fbd69a6ac7bc88269e989845694ac9a5af990a6feaa0a349fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df6198d4ac3c2d7f5c94f29e35b37d05aabd816cfb2c223f5443926f0e7f0690",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-29T18:20:37Z",
    "title_canon_sha256": "6a514391f0a2a36bfee9d73863ae8f60c44e192bba7cc362b2bfb09f180f9d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7449",
    "kind": "arxiv",
    "version": 2
  }
}