Pith Number

pith:TM53CLUC

pith:2025:TM53CLUCJL67KEGJTQMZBXV3CU

not attested not anchored not stored refs pending

${\sf QMA}={\sf QMA}_1$ with an infinite counter

Freek Witteveen, Stacey Jeffery

arxiv:2506.15551 v1 · 2025-06-18 · 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{TM53CLUCJL67KEGJTQMZBXV3CU}

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	2026-07-05T11:23:45.925270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b3bb12e824afdf510c99c1990debb1512db5df2c9200a0819aef1f36c4ab8a8

Aliases

arxiv: 2506.15551 · arxiv_version: 2506.15551v1 · doi: 10.48550/arxiv.2506.15551 · pith_short_12: TM53CLUCJL67 · pith_short_16: TM53CLUCJL67KEGJ · pith_short_8: TM53CLUC

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/TM53CLUCJL67KEGJTQMZBXV3CU \
  | 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: 9b3bb12e824afdf510c99c1990debb1512db5df2c9200a0819aef1f36c4ab8a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acfd1c5d9ca2a539125c59ad062571b23960a6b942c751d02715224075d7b314",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-18T15:23:40Z",
    "title_canon_sha256": "76f737cfa3d9c6d94273f712f18d9923d17c81e2b0e7c6dc9903d5aa0f24cee1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.15551",
    "kind": "arxiv",
    "version": 1
  }
}