Pith Number

pith:2GBKZQPT

pith:2013:2GBKZQPTLVJTEQOJGAT6473CZO

not attested not anchored not stored refs pending

Quantum mechanical which-way experiment with an internal degree of freedom

Czeslaw Radzewicz, Konrad Banaszek, Michal Karpinski, Pawel Horodecki

arxiv:1311.0017 v1 · 2013-10-31 · 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{2GBKZQPTLVJTEQOJGAT6473CZO}

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	2026-05-18T03:08:16.251441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d182acc1f35d533241c93027ee7f62cbbe03b1bcb6570ec144bcc2c1364be502

Aliases

arxiv: 1311.0017 · arxiv_version: 1311.0017v1 · doi: 10.48550/arxiv.1311.0017 · pith_short_12: 2GBKZQPTLVJT · pith_short_16: 2GBKZQPTLVJTEQOJ · pith_short_8: 2GBKZQPT

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/2GBKZQPTLVJTEQOJGAT6473CZO \
  | 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: d182acc1f35d533241c93027ee7f62cbbe03b1bcb6570ec144bcc2c1364be502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a8ea940cb61a5d341465df819331d797566fc942c97cf116dfe55795c780f2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-31T20:04:17Z",
    "title_canon_sha256": "0da1f33e7585ebbeddde6ad55217cee8105f02ecf956d139bbe54c7b921c178d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0017",
    "kind": "arxiv",
    "version": 1
  }
}