Pith Number

pith:OFBB4J7B

pith:2021:OFBB4J7BI444DV5IFOLFX5OJM4

not attested not anchored not stored refs pending

Semi-Supervised Classification and Segmentation on High Resolution Aerial Images

Abhiraj Tiwari, Ankita Ghosh, Sahil Khose

arxiv:2105.08655 v2 · 2021-05-16 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFBB4J7BI444DV5IFOLFX5OJM4}

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	2026-07-05T02:52:45.242552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71421e27e14739c1d7a82b965bf5c967037d43bc66cc2c12f8bf91ac143f215d

Aliases

arxiv: 2105.08655 · arxiv_version: 2105.08655v2 · doi: 10.48550/arxiv.2105.08655 · pith_short_12: OFBB4J7BI444 · pith_short_16: OFBB4J7BI444DV5I · pith_short_8: OFBB4J7B

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/OFBB4J7BI444DV5IFOLFX5OJM4 \
  | 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: 71421e27e14739c1d7a82b965bf5c967037d43bc66cc2c12f8bf91ac143f215d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff53b16aacb2f788e89de420926945c07f56ba0dbe9d5c45af03142cb21466c2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-16T09:30:03Z",
    "title_canon_sha256": "ca8d90d0cc97368692074445db3172bad1b9891079073aacd8ed2ae184cc4797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.08655",
    "kind": "arxiv",
    "version": 2
  }
}