Pith Number

pith:J5OEUP7P

pith:2018:J5OEUP7PK77TH3DFBAMDDOCSSP

not attested not anchored not stored refs pending

Optimal Pure-State Qubit Tomography via Sequential Weak Measurements

Amir Kalev, Carlos A. Riofrio, Christopher S. Jackson, Ezad Shojaee, Ivan H. Deutsch

arxiv:1805.01012 v2 · 2018-05-02 · 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{J5OEUP7PK77TH3DFBAMDDOCSSP}

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	2026-05-18T00:04:17.317229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f5c4a3fef57ff33ec65081831b85293e83ff1375626e5596d6543976ece6f04

Aliases

arxiv: 1805.01012 · arxiv_version: 1805.01012v2 · doi: 10.48550/arxiv.1805.01012 · pith_short_12: J5OEUP7PK77T · pith_short_16: J5OEUP7PK77TH3DF · pith_short_8: J5OEUP7P

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/J5OEUP7PK77TH3DFBAMDDOCSSP \
  | 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: 4f5c4a3fef57ff33ec65081831b85293e83ff1375626e5596d6543976ece6f04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e01fbe0e98f0da125eefcfc69ae065980c96051b3b51b2787032740ccf35d34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-02T20:44:24Z",
    "title_canon_sha256": "83ae7387ca16ce15f76a512857d4bc88beb932f04ea40da5f02d4e9b9cd85a82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01012",
    "kind": "arxiv",
    "version": 2
  }
}