Pith Number

pith:YECIF7TV

pith:2017:YECIF7TVMT67TSY7ALN3Z3LDKQ

not attested not anchored not stored refs pending

Lower bounds on the quantum Fisher information based on the variance and various types of entropies

Geza Toth

arxiv:1701.07461 v5 · 2017-01-25 · 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{YECIF7TVMT67TSY7ALN3Z3LDKQ}

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

2 papers in Pith

Iterative optimization in quantum metrology and entanglement theory using semidefinite programming

Quantum speed limits based on Jensen-Shannon and Jeffreys divergences for general physical processes

Receipt and verification

First computed	2026-05-18T00:07:43.949115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c10482fe7564fdf9cb1f02dbbced63540f2412582f10cc7decd557b8cde4578b

Aliases

arxiv: 1701.07461 · arxiv_version: 1701.07461v5 · doi: 10.48550/arxiv.1701.07461 · pith_short_12: YECIF7TVMT67 · pith_short_16: YECIF7TVMT67TSY7 · pith_short_8: YECIF7TV

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/YECIF7TVMT67TSY7ALN3Z3LDKQ \
  | 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: c10482fe7564fdf9cb1f02dbbced63540f2412582f10cc7decd557b8cde4578b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5ef95a022ce89af7630501fdb0c70ed43e6c484a28f1dc852dc24427f2eae26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-25T19:47:03Z",
    "title_canon_sha256": "25ca40aaac24f762a930e894a8a2bd950adcda026ce16323fe12faacd71405bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07461",
    "kind": "arxiv",
    "version": 5
  }
}