Pith Number

pith:MWMJJSKL

pith:2026:MWMJJSKLOZ5WMGW4S7T2RHWS4Y

not attested not anchored not stored refs pending

RenderMatte: Exact-Alpha Rendering and Group-Relative Alignment for Image Matting

Jianing Zhao, Qun Jin, Ruichen Cong, Yafei Hu, Yiren Song, Zecheng Ren

arxiv:2608.08487 v1 · 2026-08-09 · 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{MWMJJSKLOZ5WMGW4S7T2RHWS4Y}

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	2026-08-11T01:22:45.858210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

659894c94b767b661adc97e7a89ed2e62ca19b0ddfde6edcc19c388faa257679

Aliases

arxiv: 2608.08487 · arxiv_version: 2608.08487v1 · doi: 10.48550/arxiv.2608.08487 · pith_short_12: MWMJJSKLOZ5W · pith_short_16: MWMJJSKLOZ5WMGW4 · pith_short_8: MWMJJSKL

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/MWMJJSKLOZ5WMGW4S7T2RHWS4Y \
  | 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: 659894c94b767b661adc97e7a89ed2e62ca19b0ddfde6edcc19c388faa257679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be8dfe635115ceb314e2348b6a4494a705c37a7ebbb0feb658cfdaa981138be5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-09T05:07:56Z",
    "title_canon_sha256": "81a0ef181a963041c1924accc9ae4e47e7a7112b4c13756e13249e7c60f5fbbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08487",
    "kind": "arxiv",
    "version": 1
  }
}