Pith Number

pith:L7WKZRJN

pith:2015:L7WKZRJNJ3PPEGFLQPZI4F3A2D

not attested not anchored not stored refs pending

Process tomography via sequential measurements on a single quantum system

Hermann Uys, Humairah Bassa, Lajos Di\'osi, Sandeep K. Goyal, Sujit K. Choudhary, Thomas Konrad

arxiv:1504.06000 v2 · 2015-04-22 · 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{L7WKZRJNJ3PPEGFLQPZI4F3A2D}

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	2026-05-18T01:29:21.076390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fecacc52d4edef218ab83f28e1760d0cad9bed8cf4ef95f8c1cc173baae24f9

Aliases

arxiv: 1504.06000 · arxiv_version: 1504.06000v2 · doi: 10.48550/arxiv.1504.06000 · pith_short_12: L7WKZRJNJ3PP · pith_short_16: L7WKZRJNJ3PPEGFL · pith_short_8: L7WKZRJN

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/L7WKZRJNJ3PPEGFLQPZI4F3A2D \
  | 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: 5fecacc52d4edef218ab83f28e1760d0cad9bed8cf4ef95f8c1cc173baae24f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "746eeb9325aff041091966678650f711db5d73f6839ffb9b8a9d817abd7033b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-22T22:29:30Z",
    "title_canon_sha256": "761937d466ca646198e79f00be903a9febd2a1c847317648cf034615c72f61dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06000",
    "kind": "arxiv",
    "version": 2
  }
}