Pith Number

pith:W72R7F4E

pith:2022:W72R7F4ENX4IQSDTNBFXJ6P34N

not attested not anchored not stored refs pending

SWEM: Towards Real-Time Video Object Segmentation with Sequential Weighted Expectation-Maximization

Chun Yuan, Maomao Li, Tianyu Yang, Wei Liu, Wenhao Jiang, Zhihui Lin, Ziyu Wang

arxiv:2208.10128 v1 · 2022-08-22 · 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{W72R7F4ENX4IQSDTNBFXJ6P34N}

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	2026-07-05T04:50:25.636927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7f51f97846df8884873684b74f9fbe36767fdd3f3357610066d6a9091d965f9

Aliases

arxiv: 2208.10128 · arxiv_version: 2208.10128v1 · doi: 10.48550/arxiv.2208.10128 · pith_short_12: W72R7F4ENX4I · pith_short_16: W72R7F4ENX4IQSDT · pith_short_8: W72R7F4E

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/W72R7F4ENX4IQSDTNBFXJ6P34N \
  | 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: b7f51f97846df8884873684b74f9fbe36767fdd3f3357610066d6a9091d965f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b41034c59b71880d93aebb7c29256f1e8f72dc2a541b12fe6594018e9f671b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-08-22T08:03:59Z",
    "title_canon_sha256": "4a3fdac84141ce1e1438174ef51373c53ecd158bb89b891d4e2d9e50b1a9e51f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.10128",
    "kind": "arxiv",
    "version": 1
  }
}