Pith Number

pith:6723YESA

pith:2024:6723YESAXEY6TGEG3AA3KU2T2W

not attested not anchored not stored refs pending

Mutual Information Bounded by Fisher Information

Chiara Macchiavello, Lorenzo Maccone, Wojciech G\'orecki, Xi Lu

arxiv:2403.10248 v3 · 2024-03-15 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6723YESAXEY6TGEG3AA3KU2T2W}

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

1 paper in Pith

Entanglement Requirements for Coherent Enhancement in Detectors

Receipt and verification

First computed	2026-07-05T11:03:14.011097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7f5bc1240b931e99886d801b55353d5bbeed77bf93f9468c1c26f59235b5454

Aliases

arxiv: 2403.10248 · arxiv_version: 2403.10248v3 · doi: 10.48550/arxiv.2403.10248 · pith_short_12: 6723YESAXEY6 · pith_short_16: 6723YESAXEY6TGEG · pith_short_8: 6723YESA

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/6723YESAXEY6TGEG3AA3KU2T2W \
  | 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: f7f5bc1240b931e99886d801b55353d5bbeed77bf93f9468c1c26f59235b5454

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e15d92b4ada2abe2433a8fdc5d81d744e90e8fb9a588cd204a1c3f90664726e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-03-15T12:35:35Z",
    "title_canon_sha256": "c9313447754999f40cf37475168580fef5deb11e0e9015ab168ed9c45064d0b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.10248",
    "kind": "arxiv",
    "version": 3
  }
}