Pith Number

pith:4G6SVXKQ

pith:2014:4G6SVXKQPD3Y3ZTABL6CSC5DP4

not attested not anchored not stored refs pending

Tensor product extension of entanglement witnesses and their connection with measurement device independent entanglement

A. Rutkowski, P. Horodecki

arxiv:1403.3711 v3 · 2014-03-14 · 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{4G6SVXKQPD3Y3ZTABL6CSC5DP4}

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	2026-05-18T01:44:00.949864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1bd2add5078f78de6600afc290ba37f37f974d06402557d98dd087dea3ba5a6

Aliases

arxiv: 1403.3711 · arxiv_version: 1403.3711v3 · doi: 10.48550/arxiv.1403.3711 · pith_short_12: 4G6SVXKQPD3Y · pith_short_16: 4G6SVXKQPD3Y3ZTA · pith_short_8: 4G6SVXKQ

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/4G6SVXKQPD3Y3ZTABL6CSC5DP4 \
  | 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: e1bd2add5078f78de6600afc290ba37f37f974d06402557d98dd087dea3ba5a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22ddcfcdb4a53a3a2318a5468fa48af64bd2f02ca59f7bfb7a0d41d6a63517b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-14T21:08:40Z",
    "title_canon_sha256": "626eb987bda8460e50bc68f90dfbffb4e341cde466c0032f6d938ee7d942165e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3711",
    "kind": "arxiv",
    "version": 3
  }
}