Pith Number

pith:BJWFCPZT

pith:2015:BJWFCPZT7QPWHCDFTLI5OOLZFY

not attested not anchored not stored refs pending

Time Independent Universal Computing with Spin Chains: Quantum Plinko Machine

Can Gokler, Kevin Thompson, Peter Shor, Seth Lloyd

arxiv:1511.05656 v3 · 2015-11-18 · 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{BJWFCPZT7QPWHCDFTLI5OOLZFY}

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	2026-05-18T01:08:12.702956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a6c513f33fc1f6388659ad1d739792e35ed93d864177f8a1f3ccda5ec2dccfd

Aliases

arxiv: 1511.05656 · arxiv_version: 1511.05656v3 · doi: 10.48550/arxiv.1511.05656 · pith_short_12: BJWFCPZT7QPW · pith_short_16: BJWFCPZT7QPWHCDF · pith_short_8: BJWFCPZT

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/BJWFCPZT7QPWHCDFTLI5OOLZFY \
  | 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: 0a6c513f33fc1f6388659ad1d739792e35ed93d864177f8a1f3ccda5ec2dccfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c49625777376cd84698af5f7e4d80ad000a2b8e8bdd981e758e9f03efc9f01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-11-18T05:08:35Z",
    "title_canon_sha256": "0fb950a6772fafd90fcc20587a10edc49fab8754a6d30d980d198b2bd194eb92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05656",
    "kind": "arxiv",
    "version": 3
  }
}