Pith Number

pith:IGKHLIC2

pith:2006:IGKHLIC2RCZFOTMHBOXIVZMK46

not attested not anchored not stored refs pending

Efficient algorithm for a quantum analogue of 2-SAT

Sergey Bravyi

arxiv:quant-ph/0602108 v1 · 2006-02-14 · 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{IGKHLIC2RCZFOTMHBOXIVZMK46}

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	2026-07-04T14:53:30.172583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

419475a05a88b2574d870bae8ae58ae79165f04c7bbc4dbe6ad6ce187bc018d1

Aliases

arxiv: quant-ph/0602108 · arxiv_version: quant-ph/0602108v1 · doi: 10.48550/arxiv.quant-ph/0602108 · pith_short_12: IGKHLIC2RCZF · pith_short_16: IGKHLIC2RCZFOTMH · pith_short_8: IGKHLIC2

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/IGKHLIC2RCZFOTMHBOXIVZMK46 \
  | 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: 419475a05a88b2574d870bae8ae58ae79165f04c7bbc4dbe6ad6ce187bc018d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a3855ce549b84925a82ee419f4899a4374697b094f46fa00576043a94b5b99d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-02-14T20:10:53Z",
    "title_canon_sha256": "6825dcbaecb283a640d3e5832b8fc967ffb5b01b24a4676ae6031d56f4594dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0602108",
    "kind": "arxiv",
    "version": 1
  }
}