Pith Number

pith:RV7TMMMD

pith:2020:RV7TMMMDN2GYSNVXQV2U2FS4EC

not attested not anchored not stored refs pending

Quantum algorithm of a set of quantum 2-sat problem

Biao Wu, Yanglin Hu, Zhelun Zhang

arxiv:2009.02600 v2 · 2020-09-05 · 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{RV7TMMMDN2GYSNVXQV2U2FS4EC}

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	2026-07-05T02:13:03.275780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d7f3631836e8d8936b785754d165c2082ffbbd76c7ed78d3f7793031eefe477

Aliases

arxiv: 2009.02600 · arxiv_version: 2009.02600v2 · doi: 10.48550/arxiv.2009.02600 · pith_short_12: RV7TMMMDN2GY · pith_short_16: RV7TMMMDN2GYSNVX · pith_short_8: RV7TMMMD

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/RV7TMMMDN2GYSNVXQV2U2FS4EC \
  | 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: 8d7f3631836e8d8936b785754d165c2082ffbbd76c7ed78d3f7793031eefe477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3005c12163361e81997b308f80ccfa023debfc1adb25ad2e1463b1613c8ac33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-05T21:01:27Z",
    "title_canon_sha256": "0046d8a4618aedd00f8f4a60a9dc187b4e08658569ab6adc95e577056577a4a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02600",
    "kind": "arxiv",
    "version": 2
  }
}