Pith Number

pith:BJEX2I33

pith:2019:BJEX2I33NTJTBASJ2MQ7BWP4BD

not attested not anchored not stored refs pending

Revisiting comparison between entanglement measures for two-qubit pure states

Ashutosh Singh, Dipankar Home, Ijaz Ahamed, Urbasi Sinha

arxiv:1907.09268 v2 · 2019-07-22 · quant-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJEX2I33NTJTBASJ2MQ7BWP4BD}

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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 and quantification in spatial-bin photonic qutrits

Receipt and verification

First computed	2026-07-05T00:27:17.801856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a497d237b6cd3308249d321f0d9fc08c5c1702f2cc78dd672e012f0233ca66c

Aliases

arxiv: 1907.09268 · arxiv_version: 1907.09268v2 · doi: 10.48550/arxiv.1907.09268 · pith_short_12: BJEX2I33NTJT · pith_short_16: BJEX2I33NTJTBASJ · pith_short_8: BJEX2I33

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/BJEX2I33NTJTBASJ2MQ7BWP4BD \
  | 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: 0a497d237b6cd3308249d321f0d9fc08c5c1702f2cc78dd672e012f0233ca66c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cacdc1a28d074e4a2798350e42dcf10c2f183fb4e4425d81f9ccb4021990d90c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-22T12:26:01Z",
    "title_canon_sha256": "cdaeffc8201673576ba90f5b5bf593340ff75e0bfabbe52abac97f63e9c45430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09268",
    "kind": "arxiv",
    "version": 2
  }
}