Pith Number

pith:BZ2ZZSXZ

pith:2020:BZ2ZZSXZOWCA2WHK6XFAVTSNVH

not attested not anchored not stored refs pending

Contextual Pyramid Attention Network for Building Segmentation in Aerial Imagery

Clint Sebastian, Egor Bondarev, Peter H.N. De With, Raffaele Imbriaco

arxiv:2004.07018 v1 · 2020-04-15 · 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{BZ2ZZSXZOWCA2WHK6XFAVTSNVH}

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	2026-07-05T00:55:24.109567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e759ccaf975840d58eaf5ca0ace4da9e6ddcec24c2a4cd9b5d58a63cab102c0

Aliases

arxiv: 2004.07018 · arxiv_version: 2004.07018v1 · doi: 10.48550/arxiv.2004.07018 · pith_short_12: BZ2ZZSXZOWCA · pith_short_16: BZ2ZZSXZOWCA2WHK · pith_short_8: BZ2ZZSXZ

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/BZ2ZZSXZOWCA2WHK6XFAVTSNVH \
  | 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: 0e759ccaf975840d58eaf5ca0ace4da9e6ddcec24c2a4cd9b5d58a63cab102c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a49199aae7edce68866465e617e3e496152889986513a724297b4c069a219500",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-15T11:36:26Z",
    "title_canon_sha256": "49295b0639f066f8b6e78c85845a8a98bbe3703d3813492e181f686ed056db13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07018",
    "kind": "arxiv",
    "version": 1
  }
}