Pith Number

pith:XPWUPZ62

pith:2017:XPWUPZ62LWJK36IXTD23A4MP3F

not attested not anchored not stored refs pending

Provable quantum state tomography via non-convex methods

Amir Kalev, Anastasios Kyrillidis, Constantine Caramanis, Dohuyng Park, Srinadh Bhojanapalli, Sujay Sanghavi

arxiv:1711.02524 v3 · 2017-11-04 · quant-ph · cs.DS

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPWUPZ62LWJK36IXTD23A4MP3F}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:30:16.124286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbed47e7da5d92adf91798f5b0718fd947e97e60bd3efd8bb623f44cea642ebe

Aliases

arxiv: 1711.02524 · arxiv_version: 1711.02524v3 · doi: 10.48550/arxiv.1711.02524 · pith_short_12: XPWUPZ62LWJK · pith_short_16: XPWUPZ62LWJK36IX · pith_short_8: XPWUPZ62

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/XPWUPZ62LWJK36IXTD23A4MP3F \
  | 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: bbed47e7da5d92adf91798f5b0718fd947e97e60bd3efd8bb623f44cea642ebe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ace004b9403e53e12d8766753ab531f649341dd3e76fa122b57e42e8358555a3",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-11-04T22:05:59Z",
    "title_canon_sha256": "d864b6aef8e0f398af4a8a509ada9cd5f3fc8f0ef938bbbed66275247dd708ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02524",
    "kind": "arxiv",
    "version": 3
  }
}