Pith Number

pith:YQ4LCZWI

pith:2005:YQ4LCZWIDRNCLZENBTBU76JQ5E

not attested not anchored not stored refs pending

Quantum algorithm for a generalized hidden shift problem

Andrew M. Childs, Wim van Dam

arxiv:quant-ph/0507190 v1 · 2005-07-19 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQ4LCZWIDRNCLZENBTBU76JQ5E}

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.

Cited by

1 paper in Pith

Quantum state isomorphism problems for groups

Receipt and verification

First computed	2026-05-18T00:09:06.030520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c438b166c81c5a25e48d0cc34ff930e90c1cebe341e15e052974d67e28ca4174

Aliases

arxiv: quant-ph/0507190 · arxiv_version: quant-ph/0507190v1 · doi: 10.48550/arxiv.quant-ph/0507190 · pith_short_12: YQ4LCZWIDRNC · pith_short_16: YQ4LCZWIDRNCLZEN · pith_short_8: YQ4LCZWI

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/YQ4LCZWIDRNCLZENBTBU76JQ5E \
  | 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: c438b166c81c5a25e48d0cc34ff930e90c1cebe341e15e052974d67e28ca4174

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93ba620a4e3fc25c2b73fa2f7ebe816c7ed2a469d4f630beea8fd6017809781d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-07-19T19:36:00Z",
    "title_canon_sha256": "0291c1cd39785f6d0e3cc77961fd4037ff1879554bd302c3d88a9350e96cce33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0507190",
    "kind": "arxiv",
    "version": 1
  }
}