Pith Number

pith:YYGAVLQI

pith:2023:YYGAVLQINIVZIXZYBSP7OYD4RN

not attested not anchored not stored refs pending

Sample-efficient estimation of entanglement entropy through supervised learning

Martin G\"arttner, Maximilian Rieger, Moritz Reh

arxiv:2309.07556 v2 · 2023-09-14 · 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{YYGAVLQINIVZIXZYBSP7OYD4RN}

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	2026-07-05T07:29:54.231561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c60c0aae086a2b945f380c9ff7607c8b64b903215be916bb18f5b80a63d2c2c7

Aliases

arxiv: 2309.07556 · arxiv_version: 2309.07556v2 · doi: 10.48550/arxiv.2309.07556 · pith_short_12: YYGAVLQINIVZ · pith_short_16: YYGAVLQINIVZIXZY · pith_short_8: YYGAVLQI

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/YYGAVLQINIVZIXZYBSP7OYD4RN \
  | 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: c60c0aae086a2b945f380c9ff7607c8b64b903215be916bb18f5b80a63d2c2c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd638e601a3fdc0809ae4f20ac1ecfd5dd981220f85095114348abe125f32555",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-09-14T09:38:14Z",
    "title_canon_sha256": "8ee8c16dcf2bc488c4c943e132bc5bd50f4a75b648cd0b8cbc42e3ae90e01788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.07556",
    "kind": "arxiv",
    "version": 2
  }
}