Pith Number

pith:WI3HBNXA

pith:2017:WI3HBNXAXYE35AOTIDSCO6IG7E

not attested not anchored not stored refs pending

A Proposal for Quantum Fisher Information Optimization and its Relation with Entanglement Measures

Volkan Erol

arxiv:1705.04682 v1 · 2017-05-12 · 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{WI3HBNXAXYE35AOTIDSCO6IG7E}

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	2026-05-18T00:44:34.904499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b23670b6e0be09be81d340e4277906f9143f7e1b47a278802901773c7e23e07c

Aliases

arxiv: 1705.04682 · arxiv_version: 1705.04682v1 · doi: 10.48550/arxiv.1705.04682 · pith_short_12: WI3HBNXAXYE3 · pith_short_16: WI3HBNXAXYE35AOT · pith_short_8: WI3HBNXA

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/WI3HBNXAXYE35AOTIDSCO6IG7E \
  | 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: b23670b6e0be09be81d340e4277906f9143f7e1b47a278802901773c7e23e07c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce3f19085c6c4a00b88703fbb09288882b42d46f7d232eaea70c3e2f38d7306c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-05-12T05:53:20Z",
    "title_canon_sha256": "e71b9a0e2e6a1dc61778d8d6f19ea2adb1341fc337c4779cec6d2d90e43d2a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04682",
    "kind": "arxiv",
    "version": 1
  }
}