Pith Number

pith:OAK6IQX5

pith:2004:OAK6IQX5FFETS7TFF44KSL6DFJ

not attested not anchored not stored refs pending

Computational Indistinguishability between Quantum States and Its Cryptographic Application

Akinori Kawachi, Harumichi Nishimura, Takeshi Koshiba, Tomoyuki Yamakami

arxiv:quant-ph/0403069 v6 · 2004-03-09 · 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{OAK6IQX5FFETS7TFF44KSL6DFJ}

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	2026-05-18T01:13:45.605066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7015e442fd2949397e652f38a92fc32a6dfa5eb35ca2feee03a62ff1eefc55f8

Aliases

arxiv: quant-ph/0403069 · arxiv_version: quant-ph/0403069v6 · doi: 10.48550/arxiv.quant-ph/0403069 · pith_short_12: OAK6IQX5FFET · pith_short_16: OAK6IQX5FFETS7TF · pith_short_8: OAK6IQX5

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/OAK6IQX5FFETS7TFF44KSL6DFJ \
  | 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: 7015e442fd2949397e652f38a92fc32a6dfa5eb35ca2feee03a62ff1eefc55f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d202dc3774d79584e418fb764b2fbf3423d0e0ff40d5d6602bdc28e75efe20",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-03-09T09:58:11Z",
    "title_canon_sha256": "0c05892949fc438ae662a4d3cc11a6c588f55bb64195f4ed63bb3f1549331b62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0403069",
    "kind": "arxiv",
    "version": 6
  }
}