Pith Number

pith:QKBOGEPC

pith:2015:QKBOGEPCKCDXDZNUKF6AINJA4Y

not attested not anchored not stored refs pending

Analysis of Entanglement Measures and LOCC Maximized Quantum Fisher Information of General Two Qubit Systems

Azmi Ali Altintas, Fatih Ozaydin, Volkan Erol

arxiv:1504.07767 v1 · 2015-04-29 · 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{QKBOGEPCKCDXDZNUKF6AINJA4Y}

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	2026-05-18T02:17:32.273046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8282e311e2508771e5b4517c043520e62ee552c1c04e3fb79a00ed46f52333f5

Aliases

arxiv: 1504.07767 · arxiv_version: 1504.07767v1 · doi: 10.48550/arxiv.1504.07767 · pith_short_12: QKBOGEPCKCDX · pith_short_16: QKBOGEPCKCDXDZNU · pith_short_8: QKBOGEPC

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/QKBOGEPCKCDXDZNUKF6AINJA4Y \
  | 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: 8282e311e2508771e5b4517c043520e62ee552c1c04e3fb79a00ed46f52333f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57dc1af8893eeb9e0d00234d4c550946786700047b9ae206c5e5d472c3eb6f21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-29T08:38:42Z",
    "title_canon_sha256": "74ec78cfa9e89433412f0908ea07e90bf938483a81b61bb119f9089ecebc60f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07767",
    "kind": "arxiv",
    "version": 1
  }
}