Pith Number

pith:UPWJCZSK

pith:2016:UPWJCZSKZWJVYFJMCDRNXICPN3

not attested not anchored not stored refs pending

Classification With an Edge: Improving Semantic Image Segmentation with Boundary Detection

Dimitrios Marmanis, Jan Dirk Wegner, Konrad Schindler, Mihai Datcu, Silvano Galliani, Uwe Stilla

arxiv:1612.01337 v2 · 2016-12-05 · 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{UPWJCZSKZWJVYFJMCDRNXICPN3}

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	2026-05-18T00:27:28.349511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3ec91664acd935c152c10e2dba04f6ef12f03af4a53139ceba380d546c04add

Aliases

arxiv: 1612.01337 · arxiv_version: 1612.01337v2 · doi: 10.48550/arxiv.1612.01337 · pith_short_12: UPWJCZSKZWJV · pith_short_16: UPWJCZSKZWJVYFJM · pith_short_8: UPWJCZSK

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/UPWJCZSKZWJVYFJMCDRNXICPN3 \
  | 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: a3ec91664acd935c152c10e2dba04f6ef12f03af4a53139ceba380d546c04add

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7fcb7d7aff3252fab79f4701f7cded1afc23ff127da03d5ec2112d39a3f85f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-12-05T13:12:24Z",
    "title_canon_sha256": "ad0306c1d51371d4e0ae2781d04a0b9a69ef9c54d55c600aef31064ed7fd981b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01337",
    "kind": "arxiv",
    "version": 2
  }
}