Pith Number

pith:RGRQZCPB

pith:2022:RGRQZCPBN5RUOQICKWSSLMERXA

not attested not anchored not stored refs pending

Clique Homology is QMA1-hard

Marcos Crichigno, Tamara Kohler

arxiv:2209.11793 v1 · 2022-09-23 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RGRQZCPBN5RUOQICKWSSLMERXA}

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

Quantum encodings that preserve persistent homology

Receipt and verification

First computed	2026-07-05T09:40:35.824021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89a30c89e16f6347410255a525b091b835d8101029a342ed9d8dd4eaa9604562

Aliases

arxiv: 2209.11793 · arxiv_version: 2209.11793v1 · doi: 10.48550/arxiv.2209.11793 · pith_short_12: RGRQZCPBN5RU · pith_short_16: RGRQZCPBN5RUOQIC · pith_short_8: RGRQZCPB

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/RGRQZCPBN5RUOQICKWSSLMERXA \
  | 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: 89a30c89e16f6347410255a525b091b835d8101029a342ed9d8dd4eaa9604562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e8fea29b402bdd82cc0df541b9b6d9f31ce676a6e3197d99d1a521694478d2e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-09-23T18:14:16Z",
    "title_canon_sha256": "96dcab3ffee15be4afeb0279ed8488f0223f89b3abb2772f4e156f711d959795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.11793",
    "kind": "arxiv",
    "version": 1
  }
}