Pith Number

pith:EXKGXLQN

pith:2019:EXKGXLQNPU7CEHXBG24DUUNZNL

not attested not anchored not stored refs pending

Non-interactive zero-knowledge arguments for QMA, with preprocessing

Andrea Coladangelo, Thomas Vidick, Tina Zhang

arxiv:1911.07546 v3 · 2019-11-18 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EXKGXLQNPU7CEHXBG24DUUNZNL}

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	2026-07-05T00:33:20.972344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25d46bae0d7d3e221ee136b83a51b96ae73e2df46d2e4a3b382787d2427a3105

Aliases

arxiv: 1911.07546 · arxiv_version: 1911.07546v3 · doi: 10.48550/arxiv.1911.07546 · pith_short_12: EXKGXLQNPU7C · pith_short_16: EXKGXLQNPU7CEHXB · pith_short_8: EXKGXLQN

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/EXKGXLQNPU7CEHXBG24DUUNZNL \
  | 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: 25d46bae0d7d3e221ee136b83a51b96ae73e2df46d2e4a3b382787d2427a3105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffdfa9393d15561d27f05184cb0c7466fd6969e6c0b74074468d432b00085900",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-11-18T11:14:42Z",
    "title_canon_sha256": "b276c1397741e088d5735d75655b5f1bd7f3cc7f20d847715c1141f9926bf5b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.07546",
    "kind": "arxiv",
    "version": 3
  }
}