Pith Number

pith:Y4FVLIJV

pith:2015:Y4FVLIJVZ26NKEGVN3EMJG35FY

not attested not anchored not stored refs pending

Optimal measurements for the discrimination of quantum states with a fixed rate of inconclusive results

Ulrike Herzog

arxiv:1504.03917 v2 · 2015-04-15 · 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{Y4FVLIJVZ26NKEGVN3EMJG35FY}

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	2026-05-18T01:55:00.874649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c70b55a135cebcd510d56ec8c49b7d2e2b3db23a9340d483f4aef2305a1eef71

Aliases

arxiv: 1504.03917 · arxiv_version: 1504.03917v2 · doi: 10.48550/arxiv.1504.03917 · pith_short_12: Y4FVLIJVZ26N · pith_short_16: Y4FVLIJVZ26NKEGV · pith_short_8: Y4FVLIJV

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/Y4FVLIJVZ26NKEGVN3EMJG35FY \
  | 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: c70b55a135cebcd510d56ec8c49b7d2e2b3db23a9340d483f4aef2305a1eef71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "315f67ba7dba0165359bc7e4ceed6a7b99f62879c000f77b76668823621b7361",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-15T13:58:49Z",
    "title_canon_sha256": "90066807fd29c8650af4003fd35f17f12cfe431f21b8b71f3c14a323ba2e7969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03917",
    "kind": "arxiv",
    "version": 2
  }
}