Pith Number

pith:URFJPB65

pith:2020:URFJPB65I5IOUBDWNJCUTBQIKQ

not attested not anchored not stored refs pending

Real-Time High-Performance Semantic Image Segmentation of Urban Street Scenes

Chunhua Shen, Genshun Dong, Hanzi Wang, Yan Yan

arxiv:2003.08736 v2 · 2020-03-11 · 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{URFJPB65I5IOUBDWNJCUTBQIKQ}

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	2026-07-05T00:52:30.470452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44a9787dd4750ea04766a45498608540632d3532916cc7cad5a10f3cf2c4e20

Aliases

arxiv: 2003.08736 · arxiv_version: 2003.08736v2 · doi: 10.48550/arxiv.2003.08736 · pith_short_12: URFJPB65I5IO · pith_short_16: URFJPB65I5IOUBDW · pith_short_8: URFJPB65

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/URFJPB65I5IOUBDWNJCUTBQIKQ \
  | 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: a44a9787dd4750ea04766a45498608540632d3532916cc7cad5a10f3cf2c4e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b87890143a3b843810c4894035b1937decb5b0cb990dbafe1aa492eb5fd37ebb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-11T08:45:53Z",
    "title_canon_sha256": "5a91a2a3f82fe8761d08eef0cd6b09f7163052dab5641cda3292becec91167a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.08736",
    "kind": "arxiv",
    "version": 2
  }
}