Pith Number

pith:LTW65BDE

pith:2021:LTW65BDEXSA3PSDT3JFEMOXDC3

not attested not anchored not stored refs pending

Look Closer to Segment Better: Boundary Patch Refinement for Instance Segmentation

Chufeng Tang, Hang Chen, Jianmin Li, Xiao Li, Xiaolin Hu, Zhaoxiang Zhang

arxiv:2104.05239 v1 · 2021-04-12 · 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{LTW65BDEXSA3PSDT3JFEMOXDC3}

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	2026-07-05T02:31:09.914614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cedee8464bc81b7c873da4a463ae316fc485c592b2b487c14d3b6b5a0ab9e6e

Aliases

arxiv: 2104.05239 · arxiv_version: 2104.05239v1 · doi: 10.48550/arxiv.2104.05239 · pith_short_12: LTW65BDEXSA3 · pith_short_16: LTW65BDEXSA3PSDT · pith_short_8: LTW65BDE

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/LTW65BDEXSA3PSDT3JFEMOXDC3 \
  | 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: 5cedee8464bc81b7c873da4a463ae316fc485c592b2b487c14d3b6b5a0ab9e6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee9992b102b9b36769a5a38671a3c1af064040518039443015753e3dcf2e715b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-12T07:10:48Z",
    "title_canon_sha256": "ed85bd5a81b94dd8bb61edac5ec60b46225a2466e867b4e0a5291385f0dcf7c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05239",
    "kind": "arxiv",
    "version": 1
  }
}