Pith Number

pith:ERKAOKMG

pith:2010:ERKAOKMG425STT4SSNNDD7CDSR

not attested not anchored not stored refs pending

Quantum interactive proofs with weak error bounds

Hirotada Kobayashi, John Watrous, Tsuyoshi Ito

arxiv:1012.4427 v3 · 2010-12-20 · quant-ph · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERKAOKMG425STT4SSNNDD7CDSR}

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	2026-05-18T04:14:05.875398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2454072986e6bb29cf92935a31fc439456feb8323c0155a46c31929d46571a0a

Aliases

arxiv: 1012.4427 · arxiv_version: 1012.4427v3 · doi: 10.48550/arxiv.1012.4427 · pith_short_12: ERKAOKMG425S · pith_short_16: ERKAOKMG425STT4S · pith_short_8: ERKAOKMG

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/ERKAOKMG425STT4SSNNDD7CDSR \
  | 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: 2454072986e6bb29cf92935a31fc439456feb8323c0155a46c31929d46571a0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f75c75bd3071a58ae8262bba1077674fe7b199dc8d3373f97d7fe8a81ba8926f",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-12-20T18:28:57Z",
    "title_canon_sha256": "6de0de05eecdd7ad0ecf338693830e5dade969a646abbcc6cd649b6f53e5246c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4427",
    "kind": "arxiv",
    "version": 3
  }
}