Pith Number

pith:PD7F2E2X

pith:2018:PD7F2E2XNOQUPKLQ4RPYFZRTHH

not attested not anchored not stored refs pending

Land use mapping in the Three Gorges Reservoir Area based on semantic segmentation deep learning method

Bingfang Wu, Fuyou Tian, Liang Zhu, Miao Zhang, Xin Zhang, Yuanzeng

arxiv:1804.00498 v1 · 2018-03-18 · 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{PD7F2E2XNOQUPKLQ4RPYFZRTHH}

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	2026-05-18T00:19:36.994786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78fe5d13576ba147a970e45f82e63339d5cc52d5520b605e16ee4485eb45885a

Aliases

arxiv: 1804.00498 · arxiv_version: 1804.00498v1 · doi: 10.48550/arxiv.1804.00498 · pith_short_12: PD7F2E2XNOQU · pith_short_16: PD7F2E2XNOQUPKLQ · pith_short_8: PD7F2E2X

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/PD7F2E2XNOQUPKLQ4RPYFZRTHH \
  | 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: 78fe5d13576ba147a970e45f82e63339d5cc52d5520b605e16ee4485eb45885a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe4c66f3391a6a6537dff766ba551477b979cf2e0febac0fde6c184473b24b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-18T13:30:49Z",
    "title_canon_sha256": "a1fbccfabb6b426b1f7cea82d7000938d4ff935bac4666a984ca7d612f601320"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00498",
    "kind": "arxiv",
    "version": 1
  }
}