Pith Number

pith:E3XUZVIM

pith:2019:E3XUZVIMAJPCSVJVNO7PSO6TL2

not attested not anchored not stored refs pending

Pre- and post-selection paradoxes in quantum walks

Mikolaj Lewandowski, Pawel Kurzynski, Tomasz Kopyciuk

arxiv:1905.13501 v1 · 2019-05-31 · 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{E3XUZVIMAJPCSVJVNO7PSO6TL2}

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	2026-05-17T23:44:34.777132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26ef4cd50c025e2955356bbef93bd35e8946bd9797586fb5dc883d6fbaff263b

Aliases

arxiv: 1905.13501 · arxiv_version: 1905.13501v1 · doi: 10.48550/arxiv.1905.13501 · pith_short_12: E3XUZVIMAJPC · pith_short_16: E3XUZVIMAJPCSVJV · pith_short_8: E3XUZVIM

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/E3XUZVIMAJPCSVJVNO7PSO6TL2 \
  | 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: 26ef4cd50c025e2955356bbef93bd35e8946bd9797586fb5dc883d6fbaff263b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "147fc774a0547a3e019f2bd4ba46a26ef33893a5b657bf11121dfcbef6d16242",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-31T10:41:28Z",
    "title_canon_sha256": "385b3ada3965148ea6758fee459b5126636ccc0b424494e9aa59e784a21fbfba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13501",
    "kind": "arxiv",
    "version": 1
  }
}