Pith Number

pith:KKXZN6QW

pith:2022:KKXZN6QWIE6L3HJL3N7Y4KYHZK

not attested not anchored not stored refs pending

Situational Perception Guided Image Matting

Bo Xu, Cheng Lu, Han Huang, Jiake Xie, Yandong Guo, Yong Tang, Ziwen Li

arxiv:2204.09276 v3 · 2022-04-20 · cs.CV · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKXZN6QWIE6L3HJL3N7Y4KYHZK}

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	2026-07-05T04:16:55.563519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52af96fa16413cbd9d2bdb7f8e2b07caadeffdbffb72a8bcf43928c5017e4b92

Aliases

arxiv: 2204.09276 · arxiv_version: 2204.09276v3 · doi: 10.48550/arxiv.2204.09276 · pith_short_12: KKXZN6QWIE6L · pith_short_16: KKXZN6QWIE6L3HJL · pith_short_8: KKXZN6QW

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/KKXZN6QWIE6L3HJL3N7Y4KYHZK \
  | 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: 52af96fa16413cbd9d2bdb7f8e2b07caadeffdbffb72a8bcf43928c5017e4b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eeeee9a8cd197826a5723c25e78d4a6582319501902922339d37c4a0ae98b60",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-04-20T07:35:51Z",
    "title_canon_sha256": "25d13a75c66965de3a21dfc9d2d247f06123cb9a39ea97206f1318919d6e592c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.09276",
    "kind": "arxiv",
    "version": 3
  }
}