Pith Number

pith:W5ZZ7ORZ

pith:2014:W5ZZ7ORZHAGZ4NMCFXK6KD3VOA

not attested not anchored not stored refs pending

Ideal negative measurements in quantum walks disprove theories based on classical trajectories

Andrea Alberti, Carsten Robens, Clive Emary, Dieter Meschede, Wolfgang Alt

arxiv:1404.3912 v2 · 2014-04-15 · 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{W5ZZ7ORZHAGZ4NMCFXK6KD3VOA}

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	2026-05-18T02:27:32.584244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7739fba39380d9e35822dd5e50f75701a1fbe1910a405c010e12925e50a69da

Aliases

arxiv: 1404.3912 · arxiv_version: 1404.3912v2 · doi: 10.48550/arxiv.1404.3912 · pith_short_12: W5ZZ7ORZHAGZ · pith_short_16: W5ZZ7ORZHAGZ4NMC · pith_short_8: W5ZZ7ORZ

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/W5ZZ7ORZHAGZ4NMCFXK6KD3VOA \
  | 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: b7739fba39380d9e35822dd5e50f75701a1fbe1910a405c010e12925e50a69da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a48e59e97785a779d09c44aee2d93cf66871da32d353a64c85fbc75db5acc13a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-15T13:55:42Z",
    "title_canon_sha256": "c002b6b9b67e80e36e2d5e7f54f2893448d7c61376252a7ab04de64938e616a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3912",
    "kind": "arxiv",
    "version": 2
  }
}