Pith Number

pith:BNNK3KGZ

pith:2020:BNNK3KGZPSLMWYENYHUEVFSIT4

not attested not anchored not stored refs pending

Weakly-supervised Semantic Segmentation in Cityscape via Hyperspectral Image

Qiu Shen, Shaodi You, Ying Fu, Yuxing Huang

arxiv:2012.10122 v2 · 2020-12-18 · 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{BNNK3KGZPSLMWYENYHUEVFSIT4}

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	2026-07-05T02:59:07.384877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b5aada8d97c96cb608dc1e84a96489f3222ea93c2729d1dc7b7db615d637bb8

Aliases

arxiv: 2012.10122 · arxiv_version: 2012.10122v2 · doi: 10.48550/arxiv.2012.10122 · pith_short_12: BNNK3KGZPSLM · pith_short_16: BNNK3KGZPSLMWYEN · pith_short_8: BNNK3KGZ

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/BNNK3KGZPSLMWYENYHUEVFSIT4 \
  | 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: 0b5aada8d97c96cb608dc1e84a96489f3222ea93c2729d1dc7b7db615d637bb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ee23b2e328dfce0fb9571873d079dc9f0d247d57faa79a6200f60efc5386490",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-18T09:29:17Z",
    "title_canon_sha256": "3dc0c107c531ad4001628f2fc03a0204d2fb1e0a4ce07a8b534b01f8c1a68b2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.10122",
    "kind": "arxiv",
    "version": 2
  }
}