Pith Number

pith:G3PVEJGI

pith:2004:G3PVEJGI6QSFIZR52ZCPEZLOZE

not attested not anchored not stored refs pending

New quantum algorithm for studying NP-complete problems

Igor V. Volovich, Masanori Ohya

arxiv:quant-ph/0406216 v1 · 2004-06-29 · 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{G3PVEJGI6QSFIZR52ZCPEZLOZE}

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	2026-05-18T01:37:58.522631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36df5224c8f42454663dd644f2656ec92d8a44ac49b752f067d8e105afb587c3

Aliases

arxiv: quant-ph/0406216 · arxiv_version: quant-ph/0406216v1 · doi: 10.48550/arxiv.quant-ph/0406216 · pith_short_12: G3PVEJGI6QSF · pith_short_16: G3PVEJGI6QSFIZR5 · pith_short_8: G3PVEJGI

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/G3PVEJGI6QSFIZR52ZCPEZLOZE \
  | 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: 36df5224c8f42454663dd644f2656ec92d8a44ac49b752f067d8e105afb587c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c4f62d45f6057858727031417b564b5c86e997cb1af8c768500189748e7b0f6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-06-29T10:49:01Z",
    "title_canon_sha256": "4cf7c8609a894929d502980720b2308684880abf6af8468884e41cb6cd29e2ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0406216",
    "kind": "arxiv",
    "version": 1
  }
}