Pith Number

pith:AZHFV5CR

pith:2018:AZHFV5CRFLUZCKIPAZBOI4V6UQ

not attested not anchored not stored refs pending

Urban Change Detection for Multispectral Earth Observation Using Convolutional Neural Networks

Alexandre Boulch, Bertrand Le Saux, Rodrigo Caye Daudt, Yann Gousseau

arxiv:1810.08468 v1 · 2018-10-19 · cs.CV · 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{AZHFV5CRFLUZCKIPAZBOI4V6UQ}

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	2026-05-18T00:02:47.990651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

064e5af4512ae991290f0642e472bea40cae119b375c99e9f4c40da499326605

Aliases

arxiv: 1810.08468 · arxiv_version: 1810.08468v1 · doi: 10.48550/arxiv.1810.08468 · pith_short_12: AZHFV5CRFLUZ · pith_short_16: AZHFV5CRFLUZCKIP · pith_short_8: AZHFV5CR

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/AZHFV5CRFLUZCKIPAZBOI4V6UQ \
  | 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: 064e5af4512ae991290f0642e472bea40cae119b375c99e9f4c40da499326605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b916efd97b8cb76d58c1d6953b84617b6837c3fa5f81adc5465fea634a1cc7b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-10-19T12:40:28Z",
    "title_canon_sha256": "d72bf6dd92330723127b8be360a03ff1244535355234c0dddb6861b0a4c97fcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08468",
    "kind": "arxiv",
    "version": 1
  }
}