Pith Number

pith:K3EH7RBT

pith:2022:K3EH7RBTMPMSX3BTEECMREZURJ

not attested not anchored not stored refs pending

An Amplitude-Based Implementation of the Unit Step Function on a Quantum Computer

Jonas Koppe, Mark-Oliver Wolf

arxiv:2206.03053 v2 · 2022-06-07 · 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{K3EH7RBTMPMSX3BTEECMREZURJ}

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	2026-07-05T05:39:50.979580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56c87fc43363d92bec332104c893348a612d60f97e7bc27737c2a9cd1ca6170e

Aliases

arxiv: 2206.03053 · arxiv_version: 2206.03053v2 · doi: 10.48550/arxiv.2206.03053 · pith_short_12: K3EH7RBTMPMS · pith_short_16: K3EH7RBTMPMSX3BT · pith_short_8: K3EH7RBT

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/K3EH7RBTMPMSX3BTEECMREZURJ \
  | 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: 56c87fc43363d92bec332104c893348a612d60f97e7bc27737c2a9cd1ca6170e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f60f845ceea01c8a9316c2ff90526c62e8ddf4bc7f4083138f553f68c353788",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-06-07T07:14:12Z",
    "title_canon_sha256": "79d145580825e33ff8b369133553d912dbe9de938e7ca7f2ec60ffc045bcae00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.03053",
    "kind": "arxiv",
    "version": 2
  }
}