Pith Number

pith:PSCVOXRI

pith:2005:PSCVOXRIL52UFQHWWYQSEWY3MB

not attested not anchored not stored refs pending

On the quantum hardness of solving isomorphism problems as nonabelian hidden shift problems

Andrew M. Childs, Pawel Wocjan

arxiv:quant-ph/0510185 v1 · 2005-10-25 · 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{PSCVOXRIL52UFQHWWYQSEWY3MB}

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	2026-05-17T23:57:54.618809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c85575e285f7542c0f6b621225b1b6055e5a133c943b91b46f21ec2c292b14f

Aliases

arxiv: quant-ph/0510185 · arxiv_version: quant-ph/0510185v1 · doi: 10.48550/arxiv.quant-ph/0510185 · pith_short_12: PSCVOXRIL52U · pith_short_16: PSCVOXRIL52UFQHW · pith_short_8: PSCVOXRI

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/PSCVOXRIL52UFQHWWYQSEWY3MB \
  | 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: 7c85575e285f7542c0f6b621225b1b6055e5a133c943b91b46f21ec2c292b14f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3cf0f9a60f900e285810f01d46fc26bd7506d4e3668a19841769d26398ca7e4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-10-25T18:29:16Z",
    "title_canon_sha256": "27ef9ac234b485f6f273b66a0f894e82d975d1363dc31d6b419c92890beed4bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0510185",
    "kind": "arxiv",
    "version": 1
  }
}