Pith Number

pith:3UO4H7UL

pith:2021:3UO4H7ULQMLYTBYLQLSL5R5WNP

not attested not anchored not stored refs pending

Semantic Segmentation of Remote Sensing Images with Sparse Annotations

Devis Tuia, Diego Marcos, Lichao Mou, Xiao Xiang Zhu, Yuansheng Hua

arxiv:2101.03492 v1 · 2021-01-10 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UO4H7ULQMLYTBYLQLSL5R5WNP}

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	2026-07-05T03:57:06.912280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd1dc3fe8b831789870b82e4bec7b66bf685a2741a5db41c8b11cdaae9cebcca

Aliases

arxiv: 2101.03492 · arxiv_version: 2101.03492v1 · doi: 10.48550/arxiv.2101.03492 · pith_short_12: 3UO4H7ULQMLY · pith_short_16: 3UO4H7ULQMLYTBYL · pith_short_8: 3UO4H7UL

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/3UO4H7ULQMLYTBYLQLSL5R5WNP \
  | 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: dd1dc3fe8b831789870b82e4bec7b66bf685a2741a5db41c8b11cdaae9cebcca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d1732c09926d623ccfeedfa0412547a900bbf96ab6326d4725e8580a2d4bc5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-10T07:21:21Z",
    "title_canon_sha256": "429bd024a2e5b7e72a18b588c8ad0d4dc606e1fcd8f033b94a5bc2f114f1c9ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.03492",
    "kind": "arxiv",
    "version": 1
  }
}