Pith Number

pith:C3GZA2BM

pith:2018:C3GZA2BM3EX2X6WMLUVPB5AL5K

not attested not anchored not stored refs pending

Fine-Grained Land Use Classification at the City Scale Using Ground-Level Images

Shawn Newsam, Xueqing Deng, Yi Zhu

arxiv:1802.02668 v1 · 2018-02-07 · cs.CV · cs.IR · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3GZA2BM3EX2X6WMLUVPB5AL5K}

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	2026-05-18T00:24:03.391225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16cd90682cd92fabfacc5d2af0f40beaa7e7ca6d9aabe42e7c07798f33614af8

Aliases

arxiv: 1802.02668 · arxiv_version: 1802.02668v1 · doi: 10.48550/arxiv.1802.02668 · pith_short_12: C3GZA2BM3EX2 · pith_short_16: C3GZA2BM3EX2X6WM · pith_short_8: C3GZA2BM

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/C3GZA2BM3EX2X6WMLUVPB5AL5K \
  | 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: 16cd90682cd92fabfacc5d2af0f40beaa7e7ca6d9aabe42e7c07798f33614af8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ede53d59fe368ded94d06ea27007fdfe5ec71caf08b1281b092aa9586382cd02",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-07T23:01:13Z",
    "title_canon_sha256": "c37075587b7295e3799d03d1cb4f17f3268cb213d8e1e3ba4231ac30f34c6744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02668",
    "kind": "arxiv",
    "version": 1
  }
}