Pith Number

pith:ZRSJQXYI

pith:2022:ZRSJQXYIQHTVG7FCNWTSZ5BAZB

not attested not anchored not stored refs pending

The Winning Solution to the iFLYTEK Challenge 2021 Cultivated Land Extraction from High-Resolution Remote Sensing Image

Gang Zhang, Liang Tang, Xiaolin Hu, Yuqiu Liu, Zhen Zhao

arxiv:2202.10974 v3 · 2022-02-22 · cs.CV · cs.AI · 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{ZRSJQXYIQHTVG7FCNWTSZ5BAZB}

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	2026-07-05T05:03:35.843211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc64985f0881e7537ca26da72cf420c85a047d77c0b2dbea43a7717b3f51c302

Aliases

arxiv: 2202.10974 · arxiv_version: 2202.10974v3 · doi: 10.48550/arxiv.2202.10974 · pith_short_12: ZRSJQXYIQHTV · pith_short_16: ZRSJQXYIQHTVG7FC · pith_short_8: ZRSJQXYI

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/ZRSJQXYIQHTVG7FCNWTSZ5BAZB \
  | 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: cc64985f0881e7537ca26da72cf420c85a047d77c0b2dbea43a7717b3f51c302

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6367d1ebc143ceb9bc2b2cee6afef7b1414ae455341a7e5c40c6327176bc6296",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-22T15:28:59Z",
    "title_canon_sha256": "dbf44d54c375ca47291562d7a10b1a94909fedf75edc7ce9cc048c657cb1e6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10974",
    "kind": "arxiv",
    "version": 3
  }
}