Pith Number

pith:FIBIU6GZ

pith:2026:FIBIU6GZSMOSETCJIBU6R766I6

not attested not anchored not stored refs pending

SAM2Matting: Generalized Image and Video Matting

Chang Liu, Guangquan Jie, Henghui Ding, Ruiqi Shen

arxiv:2606.27339 v1 · 2026-06-25 · 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{FIBIU6GZSMOSETCJIBU6R766I6}

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	2026-06-26T01:16:19.184966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a028a78d9931d224c494069e8ffde47847b588b27d3f8cb72e54549173c9636

Aliases

arxiv: 2606.27339 · arxiv_version: 2606.27339v1 · doi: 10.48550/arxiv.2606.27339 · pith_short_12: FIBIU6GZSMOS · pith_short_16: FIBIU6GZSMOSETCJ · pith_short_8: FIBIU6GZ

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/FIBIU6GZSMOSETCJIBU6R766I6 \
  | 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: 2a028a78d9931d224c494069e8ffde47847b588b27d3f8cb72e54549173c9636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f736dcca19816bf30c8781eaecb733a6898753c17f050101fab8d11dca5de9d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-25T17:48:27Z",
    "title_canon_sha256": "af1c5509446d24a6cc2f26dcdc781fcedc51f144ecb380ab27e71d99e22553c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27339",
    "kind": "arxiv",
    "version": 1
  }
}