Pith Number

pith:2ORK3KL3

pith:2017:2ORK3KL3GWY2GIFWOKIRXB2A2W

not attested not anchored not stored refs pending

Multi-Task Learning for Segmentation of Building Footprints with Deep Neural Networks

Andreas Dengel, Benjamin Bischke, Damian Borth, Joachim Folz, Patrick Helber

arxiv:1709.05932 v1 · 2017-09-18 · 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{2ORK3KL3GWY2GIFWOKIRXB2A2W}

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	2026-05-18T00:34:58.798027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a2ada97b35b1a320b672911b8740d5b3a9f3978cdf4f5650dc3b4967766ce1

Aliases

arxiv: 1709.05932 · arxiv_version: 1709.05932v1 · doi: 10.48550/arxiv.1709.05932 · pith_short_12: 2ORK3KL3GWY2 · pith_short_16: 2ORK3KL3GWY2GIFW · pith_short_8: 2ORK3KL3

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/2ORK3KL3GWY2GIFWOKIRXB2A2W \
  | 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: d3a2ada97b35b1a320b672911b8740d5b3a9f3978cdf4f5650dc3b4967766ce1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9134267acee33911930bd73169445b745e21e4f59fa0f0608c8d9cf2e040e6de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-18T13:47:45Z",
    "title_canon_sha256": "b28f6d024e9b7d865301b30664a5bbde7b6718adeb70468bb15cf27ba563b6f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05932",
    "kind": "arxiv",
    "version": 1
  }
}