Pith Number

pith:NPRYI656

pith:2018:NPRYI656JYE3U635BSOJF7OPYH

not attested not anchored not stored refs pending

Efficient Semantic Segmentation for Visual Bird's-eye View Interpretation

Christian Witt, Johannes Petzold, Karl Amende, Martin Simon, Stefan Milz, Timo S\"amann

arxiv:1811.12008 v1 · 2018-11-29 · 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{NPRYI656JYE3U635BSOJF7OPYH}

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	2026-05-17T23:59:34.717028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be3847bbe4e09ba7b7d0c9c92fdcfc1cc1cc3a1a89aaf3b5dac2dd4388f4eb0

Aliases

arxiv: 1811.12008 · arxiv_version: 1811.12008v1 · doi: 10.48550/arxiv.1811.12008 · pith_short_12: NPRYI656JYE3 · pith_short_16: NPRYI656JYE3U635 · pith_short_8: NPRYI656

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/NPRYI656JYE3U635BSOJF7OPYH \
  | 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: 6be3847bbe4e09ba7b7d0c9c92fdcfc1cc1cc3a1a89aaf3b5dac2dd4388f4eb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81e400615479bfedc589422b70b9ac4635d6dc1b49608e016719f31f44767ff0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-29T08:21:18Z",
    "title_canon_sha256": "f983c63329fff5cfd66023128855e1c646dfd859358b6ad7ce1dffbb086a62bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12008",
    "kind": "arxiv",
    "version": 1
  }
}