Pith Number

pith:EVNKUOG7

pith:2019:EVNKUOG7UXGE6RSZ7ZYD7JWXLM

not attested not anchored not stored refs pending

Research on the pixel-based and object-oriented methods of urban feature extraction with GF-2 remote-sensing images

Dong-dong Zhang, Feng Xie, Lei Zhang, Ting-ting Lu, Vladimir Zaborovsky, Yan-wen Wu

arxiv:1903.03412 v1 · 2019-03-08 · cs.OH · cs.CV · cs.LG · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVNKUOG7UXGE6RSZ7ZYD7JWXLM}

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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	2026-05-17T23:51:45.557906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

255aaa38dfa5cc4f4659fe703fa6d75b231207599943fe5409f713a985296e0d

Aliases

arxiv: 1903.03412 · arxiv_version: 1903.03412v1 · doi: 10.48550/arxiv.1903.03412 · pith_short_12: EVNKUOG7UXGE · pith_short_16: EVNKUOG7UXGE6RSZ · pith_short_8: EVNKUOG7

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/EVNKUOG7UXGE6RSZ7ZYD7JWXLM \
  | 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: 255aaa38dfa5cc4f4659fe703fa6d75b231207599943fe5409f713a985296e0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e081aaba5c9d06470ed6646f893d31d8df7479f81f8d002783e58ba118f33989",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2019-03-08T15:19:36Z",
    "title_canon_sha256": "b51652211ccd6adb1677725e312df0b394d42b36271ae0c53b1f7416e3c0962b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03412",
    "kind": "arxiv",
    "version": 1
  }
}