Pith Number

pith:XVQ4RTNU

pith:2021:XVQ4RTNU4SB2HB4EIG7KY3R7BL

not attested not anchored not stored refs pending

Deep Automatic Natural Image Matting

Dacheng Tao, Jing Zhang, Jizhizi Li

arxiv:2107.07235 v1 · 2021-07-15 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XVQ4RTNU4SB2HB4EIG7KY3R7BL}

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.

Cited by

4 papers in Pith

SAM2Matting: Generalized Image and Video Matting

CineMatte: Background Matting for Virtual Production and Beyond

Towards Photorealistic and Efficient Bokeh Rendering via Diffusion Framework

Receipt and verification

First computed	2026-07-05T02:58:12.155604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd61c8cdb4e483a3878441beac6e3f0ac29fae65f8d8838fc16f61dd77f021e1

Aliases

arxiv: 2107.07235 · arxiv_version: 2107.07235v1 · doi: 10.48550/arxiv.2107.07235 · pith_short_12: XVQ4RTNU4SB2 · pith_short_16: XVQ4RTNU4SB2HB4E · pith_short_8: XVQ4RTNU

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/XVQ4RTNU4SB2HB4EIG7KY3R7BL \
  | 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: bd61c8cdb4e483a3878441beac6e3f0ac29fae65f8d8838fc16f61dd77f021e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24a1f08f9df6bfef27ff4cec7ede77f4ea8488e6b9a6ccecddd8469958f42b28",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-15T10:29:01Z",
    "title_canon_sha256": "d5a7cfce1ce8796b5496a2120bb94754dbdfd232dda8fd056ab2bbcd93532113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07235",
    "kind": "arxiv",
    "version": 1
  }
}