Pith Number

pith:EK42YNAB

pith:2018:EK42YNAB2V2UXY5KX253DJFUE6

not attested not anchored not stored refs pending

Discrete-time quantum walks generated by aperiodic fractal sequence of space coin operators

A. M. C. Souza, R. F. S. Andrade

arxiv:1806.04041 v1 · 2018-06-11 · 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{EK42YNAB2V2UXY5KX253DJFUE6}

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	2026-05-18T00:01:23.295669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b9ac3401d5754be3aabebbb1a4b42789429c2665f5ea5511ce08300bd02eb2

Aliases

arxiv: 1806.04041 · arxiv_version: 1806.04041v1 · doi: 10.48550/arxiv.1806.04041 · pith_short_12: EK42YNAB2V2U · pith_short_16: EK42YNAB2V2UXY5K · pith_short_8: EK42YNAB

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/EK42YNAB2V2UXY5KX253DJFUE6 \
  | 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: 22b9ac3401d5754be3aabebbb1a4b42789429c2665f5ea5511ce08300bd02eb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de43e1d582bbd43a9bc54be925a8f9114fb17eb8302e272e8675c0eebb317bf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-11T15:04:46Z",
    "title_canon_sha256": "ffb86e7bca04d2c035911895191b3daa1d14ce9fd712d5529ba248e1b75ccd18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04041",
    "kind": "arxiv",
    "version": 1
  }
}