Pith Number

pith:PVYETCLJ

pith:2019:PVYETCLJU5V5O4MYXL6TV2K35R

not attested not anchored not stored refs pending

2-Local Hamiltonian with Low Complexity is QCMA

Ying-hao Chen

arxiv:1909.03787 v1 · 2019-09-06 · cs.CC · 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{PVYETCLJU5V5O4MYXL6TV2K35R}

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

Quantum SAT Problems with Finite Sets of Projectors are Complete for a Plethora of Classes

Receipt and verification

First computed	2026-07-05T00:03:08.655817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d70498969a76bd77198bafd3ae95bec789bb52062312f422b33a47f3d832b96

Aliases

arxiv: 1909.03787 · arxiv_version: 1909.03787v1 · doi: 10.48550/arxiv.1909.03787 · pith_short_12: PVYETCLJU5V5 · pith_short_16: PVYETCLJU5V5O4MY · pith_short_8: PVYETCLJ

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/PVYETCLJU5V5O4MYXL6TV2K35R \
  | 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: 7d70498969a76bd77198bafd3ae95bec789bb52062312f422b33a47f3d832b96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53b8c6ac7c69de186a4d8922ad6a2b85d8ddd4885906579f18a8ecf47d5fb01d",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-09-06T05:58:11Z",
    "title_canon_sha256": "9df00e156c33865bd531ff75c57b1c8b2a54febc5aa167db0b2482e818f529e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03787",
    "kind": "arxiv",
    "version": 1
  }
}