Pith Number

pith:GA75FGV2

pith:2023:GA75FGV2PJ4CSLKZBWFA7RGLKL

not attested not anchored not stored refs pending

Randomness-free Test of Non-classicality: a Proof of Concept

Jacquiline Romero, Kaumudibikash Goswami, Manik Banik, Markus Rambach, Some Sankar Bhattacharya, Zhonghua Ma

arxiv:2303.06990 v3 · 2023-03-13 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GA75FGV2PJ4CSLKZBWFA7RGLKL}

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	2026-07-05T06:48:05.705539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

303fd29aba7a78292d590d8a0fc4cb52da02e8bad396b53683a27bea1cb35e16

Aliases

arxiv: 2303.06990 · arxiv_version: 2303.06990v3 · doi: 10.48550/arxiv.2303.06990 · pith_short_12: GA75FGV2PJ4C · pith_short_16: GA75FGV2PJ4CSLKZ · pith_short_8: GA75FGV2

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/GA75FGV2PJ4CSLKZBWFA7RGLKL \
  | 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: 303fd29aba7a78292d590d8a0fc4cb52da02e8bad396b53683a27bea1cb35e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e90965c1d5cba1ab8e7f3573ca6dd5cdc69efba9fb9d9571f55cbe84fd136ff",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-03-13T10:44:16Z",
    "title_canon_sha256": "4439715349f46465a3228193e7b1cd07b28dfbadd2b5df5b6df7cdc8784b3e6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.06990",
    "kind": "arxiv",
    "version": 3
  }
}