Pith Number

pith:AW3UE2G4

pith:2019:AW3UE2G4LEBCGC6JSWUCWISMLE

not attested not anchored not stored refs pending

Alibaba Cloud Quantum Development Platform: Applications to Quantum Algorithm Design

Cupjin Huang, Fang Zhang, Jianxin Chen, Mario Szegedy, Xun Gao, Yaoyun Shi

arxiv:1909.02559 v1 · 2019-09-05 · 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{AW3UE2G4LEBCGC6JSWUCWISMLE}

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	2026-07-05T00:02:35.787704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05b74268dc5902230bc995a82b224c59110df65ea9523f8c4f30f37ce0e580cd

Aliases

arxiv: 1909.02559 · arxiv_version: 1909.02559v1 · doi: 10.48550/arxiv.1909.02559 · pith_short_12: AW3UE2G4LEBC · pith_short_16: AW3UE2G4LEBCGC6J · pith_short_8: AW3UE2G4

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/AW3UE2G4LEBCGC6JSWUCWISMLE \
  | 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: 05b74268dc5902230bc995a82b224c59110df65ea9523f8c4f30f37ce0e580cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b67ad52340576ecb6e49a7089469d5720dbdc986b2655a9832e693c2c9135dfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-09-05T17:59:04Z",
    "title_canon_sha256": "2c947b7d4a869eaa15f4441fcf1ad4893f3ff6ae946d7ebcdabdd059f3c62bd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02559",
    "kind": "arxiv",
    "version": 1
  }
}