Pith Number

pith:QZKAF6SP

pith:2016:QZKAF6SPYTUYLVDEAIHGWDAF76

not attested not anchored not stored refs pending

SemiContour: A Semi-supervised Learning Approach for Contour Detection

Fuyong Xing, Lin Yang, Xiaoshuang Shi, Zizhao Zhang

arxiv:1605.04996 v1 · 2016-05-17 · 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{QZKAF6SPYTUYLVDEAIHGWDAF76}

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	2026-05-18T01:14:37.739963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

865402fa4fc4e985d464020e6b0c05ff85fbe907b67e823b2992ca622b8e5492

Aliases

arxiv: 1605.04996 · arxiv_version: 1605.04996v1 · doi: 10.48550/arxiv.1605.04996 · pith_short_12: QZKAF6SPYTUY · pith_short_16: QZKAF6SPYTUYLVDE · pith_short_8: QZKAF6SP

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/QZKAF6SPYTUYLVDEAIHGWDAF76 \
  | 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: 865402fa4fc4e985d464020e6b0c05ff85fbe907b67e823b2992ca622b8e5492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2434b5c26a6cc18c55bc2cb5b31cca0651df1235d0e03b87013af99c712dc807",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-05-17T01:33:20Z",
    "title_canon_sha256": "23bbe71313b3bec66bed9617463ced9419c38bb785caf15bc5d8c4962ac23898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04996",
    "kind": "arxiv",
    "version": 1
  }
}