Pith Number

pith:EOP5GGFC

pith:2024:EOP5GGFC2BM7KNTY75OBNV4LFC

not attested not anchored not stored refs pending

Training Matting Models without Alpha Labels

Hao Lu, Wenze Liu, Xiangyu Yue, Zhiguo Cao, Zixuan Ye

arxiv:2408.10539 v1 · 2024-08-20 · 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{EOP5GGFC2BM7KNTY75OBNV4LFC}

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	2026-07-05T08:57:13.535519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

239fd318a2d059f53678ff5c16d78b28aa74498d18b3ca3135aaf7ca1ecd6f18

Aliases

arxiv: 2408.10539 · arxiv_version: 2408.10539v1 · doi: 10.48550/arxiv.2408.10539 · pith_short_12: EOP5GGFC2BM7 · pith_short_16: EOP5GGFC2BM7KNTY · pith_short_8: EOP5GGFC

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/EOP5GGFC2BM7KNTY75OBNV4LFC \
  | 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: 239fd318a2d059f53678ff5c16d78b28aa74498d18b3ca3135aaf7ca1ecd6f18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7ec4c273a21795f3d5f24333d202be812a24b0e4beb2013d1c155290bd179ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-08-20T04:34:06Z",
    "title_canon_sha256": "551c5cda9eb3084a5257672671a6447a89b9b563b445f86ce8bd49fb4e424b4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.10539",
    "kind": "arxiv",
    "version": 1
  }
}