Pith Number

pith:IYB2LM57

pith:2019:IYB2LM57G6A443MBOCRYH42O6A

not attested not anchored not stored refs pending

Measure of positive and not completely positive single-qubit Pauli maps

Francesco Petruccione, R. Srikanth, Vinayak Jagadish

arxiv:1902.00906 v1 · 2019-02-03 · 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{IYB2LM57G6A443MBOCRYH42O6A}

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	2026-05-17T23:53:04.132713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4603a5b3bf3781ce6d8170a383f34ef00a76bb1ecd14a91618176ed657dc92d5

Aliases

arxiv: 1902.00906 · arxiv_version: 1902.00906v1 · doi: 10.48550/arxiv.1902.00906 · pith_short_12: IYB2LM57G6A4 · pith_short_16: IYB2LM57G6A443MB · pith_short_8: IYB2LM57

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/IYB2LM57G6A443MBOCRYH42O6A \
  | 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: 4603a5b3bf3781ce6d8170a383f34ef00a76bb1ecd14a91618176ed657dc92d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6290a23a54b1f7f8d6aa29b9c91eca82d22fab7e15f0114c1a56fd407afa030a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-03T15:04:19Z",
    "title_canon_sha256": "28acc90fb9bd75d1d7e4c199a3185c2a36e984ffa68b60b68a31d86745a06612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00906",
    "kind": "arxiv",
    "version": 1
  }
}