Pith Number

pith:S4B3NBJA

pith:2015:S4B3NBJAGK36P3IWBFLQG2JMY7

not attested not anchored not stored refs pending

Elementary test for non-classicality based on measurements of position and momentum

Anders S. S{\o}rensen, Johannes Borregaard, Luca Fresta

arxiv:1508.00828 v1 · 2015-08-04 · 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{S4B3NBJAGK36P3IWBFLQG2JMY7}

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	2026-05-18T01:24:18.602990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9703b6852032b7e7ed16095703692cc7d25843cb08de8fb76c04ba6e446bb12c

Aliases

arxiv: 1508.00828 · arxiv_version: 1508.00828v1 · doi: 10.48550/arxiv.1508.00828 · pith_short_12: S4B3NBJAGK36 · pith_short_16: S4B3NBJAGK36P3IW · pith_short_8: S4B3NBJA

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/S4B3NBJAGK36P3IWBFLQG2JMY7 \
  | 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: 9703b6852032b7e7ed16095703692cc7d25843cb08de8fb76c04ba6e446bb12c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d64a5fc4e06a0896a166084401cd8b82dd08faf59dc2441bf3513ee12acd8475",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-08-04T16:49:19Z",
    "title_canon_sha256": "5f5b7c7ef80adc5b35ba4d91e5aa31bf37918e0db65f5cd1ddb91cb6eba43e34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00828",
    "kind": "arxiv",
    "version": 1
  }
}