Pith Number

pith:4ACAZCJE

pith:2019:4ACAZCJETB2AXJLONCMKH5W6OW

not attested not anchored not stored refs pending

SFSegNet: Parse Freehand Sketches using Deep Fully Convolutional Networks

Fei Wang, Junkun Jiang, Ruomei Wang, Shujin Lin

arxiv:1908.05389 v1 · 2019-08-15 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ACAZCJETB2AXJLONCMKH5W6OW}

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	2026-07-05T00:11:35.684414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0040c892498740ba56e6898a3f6de759679d86046b7df19c56342608e0d23b1

Aliases

arxiv: 1908.05389 · arxiv_version: 1908.05389v1 · doi: 10.48550/arxiv.1908.05389 · pith_short_12: 4ACAZCJETB2A · pith_short_16: 4ACAZCJETB2AXJLO · pith_short_8: 4ACAZCJE

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/4ACAZCJETB2AXJLONCMKH5W6OW \
  | 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: e0040c892498740ba56e6898a3f6de759679d86046b7df19c56342608e0d23b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f663c586510acefcec6f528e7f9a4ce9a653309ee25821a29bd20469a7a0d7f8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-15T01:35:36Z",
    "title_canon_sha256": "4670fad64df783fc5a1ae10bdd4f4d4ed4cc4ac08afe23c459b9f6da2814675b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05389",
    "kind": "arxiv",
    "version": 1
  }
}