Pith Number

pith:AD6X5VMH

pith:2019:AD6X5VMHWQN6Q3LCC2KOYEVCNY

not attested not anchored not stored refs pending

On the Quantum Complexity of Closest Pair and Related Problems

Chunhao Wang, Han-Hsuan Lin, Nai-Hui Chia, Ruizhe Zhang, Scott Aaronson

arxiv:1911.01973 v2 · 2019-11-05 · quant-ph · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AD6X5VMHWQN6Q3LCC2KOYEVCNY}

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	2026-07-05T01:25:11.641945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00fd7ed587b41be86d621694ec12a26e0c7d5b694ffb185b227a9d3500f75c3f

Aliases

arxiv: 1911.01973 · arxiv_version: 1911.01973v2 · doi: 10.48550/arxiv.1911.01973 · pith_short_12: AD6X5VMHWQN6 · pith_short_16: AD6X5VMHWQN6Q3LC · pith_short_8: AD6X5VMH

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/AD6X5VMHWQN6Q3LCC2KOYEVCNY \
  | 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: 00fd7ed587b41be86d621694ec12a26e0c7d5b694ffb185b227a9d3500f75c3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99efbf8939c37d83da949c08129d04d30273e343f0f3cabb4b7a5b97e868f531",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-11-05T18:01:23Z",
    "title_canon_sha256": "eaee2ad63c16feca05a6a31dbc1685c7b5b6c8b8fcb4c8000dfa6c71950b42d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01973",
    "kind": "arxiv",
    "version": 2
  }
}