Pith Number

pith:PGD76EEE

pith:2022:PGD76EEEB7MQMLUCBWSXDYPYJP

not attested not anchored not stored refs pending

Comparing two cohomological obstructions for contextuality, and a generalised construction of quantum advantage with shallow circuits

Sivert Aasn{\ae}ss

arxiv:2212.09382 v1 · 2022-12-19 · 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{PGD76EEEB7MQMLUCBWSXDYPYJP}

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	2026-07-05T05:26:21.723942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7987ff10840fd9062e820da571e1f84be6a35dc8a437e980e09e92d80ae7cb36

Aliases

arxiv: 2212.09382 · arxiv_version: 2212.09382v1 · doi: 10.48550/arxiv.2212.09382 · pith_short_12: PGD76EEEB7MQ · pith_short_16: PGD76EEEB7MQMLUC · pith_short_8: PGD76EEE

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/PGD76EEEB7MQMLUCBWSXDYPYJP \
  | 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: 7987ff10840fd9062e820da571e1f84be6a35dc8a437e980e09e92d80ae7cb36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3818e443834fdc1923ad9607d303fa13338cc2e5a1d067088f2f27cd82b70298",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-12-19T11:43:37Z",
    "title_canon_sha256": "4571917783805fb57179869322ed6a948079a99a0169af9247c9ad45e16d1dbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.09382",
    "kind": "arxiv",
    "version": 1
  }
}