Pith Number

pith:TCJK7UJ4

pith:2010:TCJK7UJ4N73UHEZ3CBPXC67VXP

not attested not anchored not stored refs pending

Quantum Counterfeit Coin Problems

Harumichi Nishimura, Junichi Teruyama, Kazuo Iwama, Rudy Raymond

arxiv:1009.0416 v1 · 2010-09-02 · quant-ph · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCJK7UJ4N73UHEZ3CBPXC67VXP}

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	2026-05-18T03:05:35.948251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9892afd13c6ff743933b105f717bf5bbf91901cc69819c3408340e7127c21a27

Aliases

arxiv: 1009.0416 · arxiv_version: 1009.0416v1 · doi: 10.48550/arxiv.1009.0416 · pith_short_12: TCJK7UJ4N73U · pith_short_16: TCJK7UJ4N73UHEZ3 · pith_short_8: TCJK7UJ4

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/TCJK7UJ4N73UHEZ3CBPXC67VXP \
  | 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: 9892afd13c6ff743933b105f717bf5bbf91901cc69819c3408340e7127c21a27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c14f25e2da41818016b410ae6af97cdc03e2c02c121ba28fc275686caf5972b5",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-09-02T12:58:51Z",
    "title_canon_sha256": "d3be36d26d9220fa8663a24b7999f5b14a45d2b9badb35f992a54f8390809009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0416",
    "kind": "arxiv",
    "version": 1
  }
}