Pith Number

pith:244XH2N4

pith:2006:244XH2N4TA5KLJPLEFDYMVJ52U

not attested not anchored not stored refs pending

Consistency of Local Density Matrices is QMA-complete

Yi-Kai Liu

arxiv:quant-ph/0604166 v3 · 2006-04-21 · 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{244XH2N4TA5KLJPLEFDYMVJ52U}

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

Public-Key Quantum Authentication and Digital Signature Schemes Based on the QMA-Complete Problem

Receipt and verification

First computed	2026-07-04T15:06:08.303016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d73973e9bc983aa5a5eb214786553dd51f974599eb6c7580cdd28db10d2a37a7

Aliases

arxiv: quant-ph/0604166 · arxiv_version: quant-ph/0604166v3 · doi: 10.48550/arxiv.quant-ph/0604166 · pith_short_12: 244XH2N4TA5K · pith_short_16: 244XH2N4TA5KLJPL · pith_short_8: 244XH2N4

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/244XH2N4TA5KLJPLEFDYMVJ52U \
  | 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: d73973e9bc983aa5a5eb214786553dd51f974599eb6c7580cdd28db10d2a37a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b0046ccb4123245f1bda8d6c1948776bc6710363e5801ae5f0973f22d63325c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-04-21T20:05:52Z",
    "title_canon_sha256": "cfa1f063c213c67aa075a732701288dcdda4e152e9a052f0576f50f2050d8f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0604166",
    "kind": "arxiv",
    "version": 3
  }
}