Pith Number

pith:FEEWWLDX

pith:2025:FEEWWLDXQDKSJTPQTRG46UTS4Q

not attested not anchored not stored refs pending

Robust Self-testing for Synchronous Correlations and Games

Prem Nigam Kar

arxiv:2503.23500 v1 · 2025-03-30 · quant-ph · cs.GT · math-ph · math.MP · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEEWWLDXQDKSJTPQTRG46UTS4Q}

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.

Cited by

1 paper in Pith

An operator system approach to self-testing

Receipt and verification

First computed	2026-07-05T10:41:37.503321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29096b2c7780d524cdf09c4dcf5272e43ea7357925a7e4c160e2e11bc9132ee7

Aliases

arxiv: 2503.23500 · arxiv_version: 2503.23500v1 · doi: 10.48550/arxiv.2503.23500 · pith_short_12: FEEWWLDXQDKS · pith_short_16: FEEWWLDXQDKSJTPQ · pith_short_8: FEEWWLDX

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/FEEWWLDXQDKSJTPQTRG46UTS4Q \
  | 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: 29096b2c7780d524cdf09c4dcf5272e43ea7357925a7e4c160e2e11bc9132ee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c26fe64ff9223e23cd2d6269eee8610c9a8ce90bf070e120a981d18857291e",
    "cross_cats_sorted": [
      "cs.GT",
      "math-ph",
      "math.MP",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-30T16:19:14Z",
    "title_canon_sha256": "a8a01089d2d054d252875f573aa65a33e47de0567202e61570ec74029d00d4b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.23500",
    "kind": "arxiv",
    "version": 1
  }
}