Pith Number

pith:4OWL2JC2

pith:2019:4OWL2JC2D2WW46WGY3GIP7DTU3

not attested not anchored not stored refs pending

SDC - Stacked Dilated Convolution: A Unified Descriptor Network for Dense Matching Tasks

Christian Unger, Didier Stricker, Oliver Wasenm\"uller, Ren\'e Schuster

arxiv:1904.03076 v1 · 2019-04-05 · 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{4OWL2JC2D2WW46WGY3GIP7DTU3}

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	2026-05-17T23:49:18.689456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3acbd245a1ead6e7ac6c6cc87fc73a6f05bd9186c708195ed24ba18c5da25e4

Aliases

arxiv: 1904.03076 · arxiv_version: 1904.03076v1 · doi: 10.48550/arxiv.1904.03076 · pith_short_12: 4OWL2JC2D2WW · pith_short_16: 4OWL2JC2D2WW46WG · pith_short_8: 4OWL2JC2

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/4OWL2JC2D2WW46WGY3GIP7DTU3 \
  | 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: e3acbd245a1ead6e7ac6c6cc87fc73a6f05bd9186c708195ed24ba18c5da25e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9d916d8782215d412a56b0ba1adf028ce15d0c934b2b84cf55ddd7c57720d66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-05T14:07:02Z",
    "title_canon_sha256": "4dce5f85633e2f4d0775a79bd3ffd79b9409232036814b55764a2f6b83db78d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03076",
    "kind": "arxiv",
    "version": 1
  }
}