Pith Number

pith:DXRPZ7W4

pith:2020:DXRPZ7W46MXW7OG6PB3JDN3ODC

not attested not anchored not stored refs pending

LULC classification by semantic segmentation of satellite images using FastFCN

Aiman Rafeed Ehtesham, A. K. M. Mahbubur Rahman, A. K. M. Nazrul Islam, Amreen Anbar, Md. Saif Hassan Onim

arxiv:2011.06825 v2 · 2020-11-13 · 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{DXRPZ7W46MXW7OG6PB3JDN3ODC}

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	2026-07-05T03:59:37.487232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1de2fcfedcf32f6fb8de787691b76e189aca76879c356a8aecb18713fc2dcdc5

Aliases

arxiv: 2011.06825 · arxiv_version: 2011.06825v2 · doi: 10.48550/arxiv.2011.06825 · pith_short_12: DXRPZ7W46MXW · pith_short_16: DXRPZ7W46MXW7OG6 · pith_short_8: DXRPZ7W4

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/DXRPZ7W46MXW7OG6PB3JDN3ODC \
  | 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: 1de2fcfedcf32f6fb8de787691b76e189aca76879c356a8aecb18713fc2dcdc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4580634ae0602bbb43417395059047138f311b9759d810a1665cf1a8a500c916",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-11-13T09:33:03Z",
    "title_canon_sha256": "422e56cf389997b0b55673389f90f4f24fc032b15dc5b5cfa3c813d85957b607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.06825",
    "kind": "arxiv",
    "version": 2
  }
}