Pith Number

pith:52DIKI2Q

pith:2014:52DIKI2QA7M4GQYTBYQUUSCEXO

not attested not anchored not stored refs pending

Parameter estimation of qubit states with unknown phase parameter

Jun Suzuki

arxiv:1411.4136 v2 · 2014-11-15 · 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{52DIKI2QA7M4GQYTBYQUUSCEXO}

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	2026-05-18T01:18:14.885355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee8685235007d9c343130e214a4844bb886a8a06bf5a7dde837f5e245d07eb87

Aliases

arxiv: 1411.4136 · arxiv_version: 1411.4136v2 · doi: 10.48550/arxiv.1411.4136 · pith_short_12: 52DIKI2QA7M4 · pith_short_16: 52DIKI2QA7M4GQYT · pith_short_8: 52DIKI2Q

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/52DIKI2QA7M4GQYTBYQUUSCEXO \
  | 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: ee8685235007d9c343130e214a4844bb886a8a06bf5a7dde837f5e245d07eb87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25a404f426552c23c1bedceaab90aadbeb097891a74c0a103b66baa786caf074",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-11-15T11:24:29Z",
    "title_canon_sha256": "1f8874747d726e8ecca9e422e7436ae6d99ee0533d37f1d9d0953acbb38b404b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4136",
    "kind": "arxiv",
    "version": 2
  }
}