Pith Number

pith:44HKPAM2

pith:2018:44HKPAM2EQEB2AVVPGX5MCJI5L

not attested not anchored not stored refs pending

Linear optics for direct observation of quantum violation of pigeonhole principle by joint weak measurement

Kazuhiro Yokota, Nobuyuki Imoto

arxiv:1812.04887 v1 · 2018-12-12 · 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{44HKPAM2EQEB2AVVPGX5MCJI5L}

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	2026-05-17T23:58:27.047108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e70ea7819a24081d02b579afd60928ead9a85a7a00be332feea672ff90c8a42e

Aliases

arxiv: 1812.04887 · arxiv_version: 1812.04887v1 · doi: 10.48550/arxiv.1812.04887 · pith_short_12: 44HKPAM2EQEB · pith_short_16: 44HKPAM2EQEB2AVV · pith_short_8: 44HKPAM2

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/44HKPAM2EQEB2AVVPGX5MCJI5L \
  | 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: e70ea7819a24081d02b579afd60928ead9a85a7a00be332feea672ff90c8a42e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92e2b79853f10c60fd54c266cafdc080b15e2b76051d88918b93089039d5f38e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-12T10:38:35Z",
    "title_canon_sha256": "3e1dc0a51462f4715d672950838da92681afa8549a33549d67bdf53380cc8549"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04887",
    "kind": "arxiv",
    "version": 1
  }
}