Pith Number

pith:YDZLLDSC

pith:2018:YDZLLDSCORHGS5NVWQJV247DER

not attested not anchored not stored refs pending

Smart City Development with Urban Transfer Learning

Bin Guo, Leye Wang, Qiang Yang

arxiv:1808.01552 v2 · 2018-08-05 · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDZLLDSCORHGS5NVWQJV247DER}

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	2026-07-05T04:27:02.455304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0f2b58e42744e6975b5b4135d73e3244a40e8533b3b0883dd3cef7aac29298f

Aliases

arxiv: 1808.01552 · arxiv_version: 1808.01552v2 · doi: 10.48550/arxiv.1808.01552 · pith_short_12: YDZLLDSCORHG · pith_short_16: YDZLLDSCORHGS5NV · pith_short_8: YDZLLDSC

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/YDZLLDSCORHGS5NVWQJV247DER \
  | 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: c0f2b58e42744e6975b5b4135d73e3244a40e8533b3b0883dd3cef7aac29298f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc730b48c58d13fcb13d07c8d674aa38be3f77dda5b7b42e641bdf0860ea8595",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-08-05T02:28:27Z",
    "title_canon_sha256": "999bf42b722514fe69f13d7a6ec17c08addb4a8e51209171f17e87d41cbbf262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01552",
    "kind": "arxiv",
    "version": 2
  }
}