Pith Number

pith:QRBQ4BTM

pith:2018:QRBQ4BTMOCGKEANGDXJL7E4QIA

not attested not anchored not stored refs pending

CD-CNN: A Partially Supervised Cross-Domain Deep Learning Model for Urban Resident Recognition

Jingyuan Wang, Junjie Wu, Nicholas Jing Yuan, Xing Xie, Xu He, Ze Wang, Zhang Xiong

arxiv:1804.09901 v2 · 2018-04-26 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRBQ4BTMOCGKEANGDXJL7E4QIA}

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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	2026-05-18T00:03:36.941545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84430e066c708ca201a61dd2bf9390400d0ce4d78db7fe82834a102d68e9a14f

Aliases

arxiv: 1804.09901 · arxiv_version: 1804.09901v2 · doi: 10.48550/arxiv.1804.09901 · pith_short_12: QRBQ4BTMOCGK · pith_short_16: QRBQ4BTMOCGKEANG · pith_short_8: QRBQ4BTM

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/QRBQ4BTMOCGKEANGDXJL7E4QIA \
  | 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: 84430e066c708ca201a61dd2bf9390400d0ce4d78db7fe82834a102d68e9a14f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c2a5d0d1a0a54ae7938391056faa0a34e0c431f998e4462b2f9fb2f3d195624",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-04-26T06:10:50Z",
    "title_canon_sha256": "9463d378f671dc7bb56b4765f217f7b725ed8e7fcc3c64b0ba808c995e43d7fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09901",
    "kind": "arxiv",
    "version": 2
  }
}