Pith Number

pith:P7FXDS4O

pith:2024:P7FXDS4OG2VQ46EPPKFEWSXO4B

not attested not anchored not stored refs pending

Revealing hidden physical nonclassicality with nonnegative polynomials

Benjamin Yadin, Birte Ostermann, Hai-Chau Nguyen, Otfried G\"uhne, Ties-A. Ohst, Timo de Wolff

arxiv:2403.09807 v2 · 2024-03-14 · quant-ph · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7FXDS4OG2VQ46EPPKFEWSXO4B}

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	2026-07-05T10:12:15.126909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fcb71cb8e36ab0e788f7a8a4b4aeee0431d05fc9abd1a88f88e227fe7ff10b4

Aliases

arxiv: 2403.09807 · arxiv_version: 2403.09807v2 · doi: 10.48550/arxiv.2403.09807 · pith_short_12: P7FXDS4OG2VQ · pith_short_16: P7FXDS4OG2VQ46EP · pith_short_8: P7FXDS4O

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/P7FXDS4OG2VQ46EPPKFEWSXO4B \
  | 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: 7fcb71cb8e36ab0e788f7a8a4b4aeee0431d05fc9abd1a88f88e227fe7ff10b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5bb208ca88d3209070dbc99139c2915166add67efdccf31a61f21a245e1a187",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-03-14T18:56:18Z",
    "title_canon_sha256": "95e363a62181de2786964dde4a3da097fffcd860d3cae35ba5b15d895162ba31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.09807",
    "kind": "arxiv",
    "version": 2
  }
}