Pith Number

pith:6CXT4U7J

pith:2017:6CXT4U7JGLFX7F7SDKDSFYJB5Q

not attested not anchored not stored refs pending

Learning to Refine Object Contours with a Top-Down Fully Convolutional Encoder-Decoder Network

Jian Yao, Jing Han, Li Li, Xiaohu Lu, Yahui Liu

arxiv:1705.04456 v1 · 2017-05-12 · 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{6CXT4U7JGLFX7F7SDKDSFYJB5Q}

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	2026-05-18T00:40:28.396399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0af3e53e932cb7f97f21a8722e121ec3acced5796d1afdc1b50cbae038cee32

Aliases

arxiv: 1705.04456 · arxiv_version: 1705.04456v1 · doi: 10.48550/arxiv.1705.04456 · pith_short_12: 6CXT4U7JGLFX · pith_short_16: 6CXT4U7JGLFX7F7S · pith_short_8: 6CXT4U7J

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/6CXT4U7JGLFX7F7SDKDSFYJB5Q \
  | 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: f0af3e53e932cb7f97f21a8722e121ec3acced5796d1afdc1b50cbae038cee32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8be512d3a71d99492863d3672567572f0138e688aec6ab17ef001c04cf2138f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-05-12T07:52:27Z",
    "title_canon_sha256": "8c60fe2eb10f04af5119c663e4b6c9050845c8c087c88b464ecc43a3b356aea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04456",
    "kind": "arxiv",
    "version": 1
  }
}