Pith Number

pith:UHF4KAG6

pith:2019:UHF4KAG6MFMJHIZU6HD66MSCC6

not attested not anchored not stored refs pending

Quantum algorithm for estimating Renyi entropies of quantum states

Min-Hsiu Hsieh, Sathyawageeswar Subramanian

arxiv:1908.05251 v2 · 2019-08-14 · 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{UHF4KAG6MFMJHIZU6HD66MSCC6}

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	2026-07-05T03:10:24.392968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1cbc500de615893a334f1c7ef324217a86f72c122e652ec51ef61e7ba61e62b

Aliases

arxiv: 1908.05251 · arxiv_version: 1908.05251v2 · doi: 10.48550/arxiv.1908.05251 · pith_short_12: UHF4KAG6MFMJ · pith_short_16: UHF4KAG6MFMJHIZU · pith_short_8: UHF4KAG6

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/UHF4KAG6MFMJHIZU6HD66MSCC6 \
  | 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: a1cbc500de615893a334f1c7ef324217a86f72c122e652ec51ef61e7ba61e62b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6e9d4722473dde961d2cd34e3779ba0a2b2d805cf74d761a9c6feff553e410c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-14T17:29:10Z",
    "title_canon_sha256": "c3da52e96042d89cb13442a2a3609d98010a881067a3f8841c68921f2a20ed86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05251",
    "kind": "arxiv",
    "version": 2
  }
}