Pith Number

pith:CKPA7ICQ

pith:2015:CKPA7ICQUDAIACTVDXW3ASURQT

not attested not anchored not stored refs pending

Oracles with Costs

Cedric Yen-Yu Lin, Han-Hsuan Lin, Shelby Kimmel

arxiv:1502.02174 v2 · 2015-02-07 · 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{CKPA7ICQUDAIACTVDXW3ASURQT}

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	2026-05-18T01:17:25.892058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

129e0fa050a0c0800a751dedb04a9184c353f561eab1afad0acada60e6d646af

Aliases

arxiv: 1502.02174 · arxiv_version: 1502.02174v2 · doi: 10.48550/arxiv.1502.02174 · pith_short_12: CKPA7ICQUDAI · pith_short_16: CKPA7ICQUDAIACTV · pith_short_8: CKPA7ICQ

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/CKPA7ICQUDAIACTVDXW3ASURQT \
  | 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: 129e0fa050a0c0800a751dedb04a9184c353f561eab1afad0acada60e6d646af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acaf27c66eb86a77d177f8ce38434c91984a6c9dd5a03127363135e483090811",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-07T19:18:08Z",
    "title_canon_sha256": "33421a810e416108cc4d6fbe3a3a55c02ead8e7d98a28f3ebb816de8a9d04f14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02174",
    "kind": "arxiv",
    "version": 2
  }
}