Pith Number

pith:DCZOBGX7

pith:2021:DCZOBGX7Y3HYWO46CIT33T4RYJ

not attested not anchored not stored refs pending

Fourier-style Quantum State Tomography and Purity Measurement of a Multi-qubit System from Bloch Rotations

Charles Tahan, Yariv Yanay

arxiv:2101.05860 v1 · 2021-01-14 · 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{DCZOBGX7Y3HYWO46CIT33T4RYJ}

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	2026-07-05T02:49:23.450754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18b2e09affc6cf8b3b9e1227bdcf91c2515b62bf9678b938d0152c69fef1438d

Aliases

arxiv: 2101.05860 · arxiv_version: 2101.05860v1 · doi: 10.48550/arxiv.2101.05860 · pith_short_12: DCZOBGX7Y3HY · pith_short_16: DCZOBGX7Y3HYWO46 · pith_short_8: DCZOBGX7

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/DCZOBGX7Y3HYWO46CIT33T4RYJ \
  | 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: 18b2e09affc6cf8b3b9e1227bdcf91c2515b62bf9678b938d0152c69fef1438d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8842e585705b6eb3c49268c1fbb4f5402d3742ce855cd57d1570c6a9293390c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-01-14T20:38:39Z",
    "title_canon_sha256": "15eb791ca23345f516432fda247ceeb0fe5e634703ecc03806646dbf6370ef07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05860",
    "kind": "arxiv",
    "version": 1
  }
}