Pith Number

pith:HZJHJPTG

pith:2008:HZJHJPTGIL4DVWS7K3INMUB6TR

not attested not anchored not stored refs pending

Solution to Satisfiability problem by a complete Grover search with trapped ions

F. Zhou, H. Wei, M. Feng, W. L. Chang, W. L. Yang

arxiv:0811.2905 v1 · 2008-11-18 · 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{HZJHJPTGIL4DVWS7K3INMUB6TR}

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	2026-05-18T02:15:20.690437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e5274be6642f83ada5f56d0d6503e9c65c9c320048044cad79c7205aacde68c

Aliases

arxiv: 0811.2905 · arxiv_version: 0811.2905v1 · doi: 10.48550/arxiv.0811.2905 · pith_short_12: HZJHJPTGIL4D · pith_short_16: HZJHJPTGIL4DVWS7 · pith_short_8: HZJHJPTG

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/HZJHJPTGIL4DVWS7K3INMUB6TR \
  | 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: 3e5274be6642f83ada5f56d0d6503e9c65c9c320048044cad79c7205aacde68c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4711221835de38409c6493ea3a789871f23e7548876ac3a42fb163ce484d6af1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-11-18T13:34:25Z",
    "title_canon_sha256": "72bf8f12224b2f0073d9140157f234073313b5a1d0b14021690b5bea220f7978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2905",
    "kind": "arxiv",
    "version": 1
  }
}