Pith Number

pith:FWFWYX6E

pith:2026:FWFWYX6E5ZQYEUBAS6E4RSEFXE

not attested not anchored not stored refs pending

Contextuality in the $n$-qubit Pauli group

Markus Frembs

arxiv:2608.11993 v1 · 2026-08-12 · quant-ph · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWFWYX6E5ZQYEUBAS6E4RSEFXE}

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	2026-08-13T01:29:11.889393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d8b6c5fc4ee618250209789c8c885b93c3a0c74a8f6a56f5c789e05a8487d9c

Aliases

arxiv: 2608.11993 · arxiv_version: 2608.11993v1 · doi: 10.48550/arxiv.2608.11993 · pith_short_12: FWFWYX6E5ZQY · pith_short_16: FWFWYX6E5ZQYEUBA · pith_short_8: FWFWYX6E

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/FWFWYX6E5ZQYEUBAS6E4RSEFXE \
  | 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: 2d8b6c5fc4ee618250209789c8c885b93c3a0c74a8f6a56f5c789e05a8487d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb39c68973ae102dda9943cac0d60e2a313da2d1c3c8c758bd140766218e1d2c",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-12T12:29:56Z",
    "title_canon_sha256": "055beefffc7b26330d3412757223dac84b6333d3f919f130adc0a372d22ce3de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.11993",
    "kind": "arxiv",
    "version": 1
  }
}