Pith Number

pith:CFCYWL26

pith:2025:CFCYWL26FX7M7QWAJ72XVFUZYT

not attested not anchored not stored refs pending

A convergent sum-of-squares hierarchy for compiled nonlocal games

Anand Natarajan, Chirag Falor, David Cui, Tina Zhang

arxiv:2507.17581 v1 · 2025-07-23 · 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{CFCYWL26FX7M7QWAJ72XVFUZYT}

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	2026-07-05T11:42:10.271833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11458b2f5e2dfecfc2c04ff57a9699c4f368ac94ad0f71ac766583d5297c2b38

Aliases

arxiv: 2507.17581 · arxiv_version: 2507.17581v1 · doi: 10.48550/arxiv.2507.17581 · pith_short_12: CFCYWL26FX7M · pith_short_16: CFCYWL26FX7M7QWA · pith_short_8: CFCYWL26

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/CFCYWL26FX7M7QWAJ72XVFUZYT \
  | 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: 11458b2f5e2dfecfc2c04ff57a9699c4f368ac94ad0f71ac766583d5297c2b38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "503e0f05b77f96c650e2f93c77a7331aabfc9e69a45502dea96ab3e4b380b8eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-23T15:16:38Z",
    "title_canon_sha256": "d877c631fab035203feeb40b8dbd351d066cd71656131fe064ec518180cc8a6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17581",
    "kind": "arxiv",
    "version": 1
  }
}