Pith Number

pith:4LUFIVFH

pith:2020:4LUFIVFHMAIABXE3ZWCZELPGP3

not attested not anchored not stored refs pending

Learning Affinity-Aware Upsampling for Deep Image Matting

Chunhua Shen, Hao Lu, Yutong Dai

arxiv:2011.14288 v1 · 2020-11-29 · 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{4LUFIVFHMAIABXE3ZWCZELPGP3}

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	2026-07-05T01:55:19.333882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2e85454a7601000dc9bcd85922de67ed19449eebe4960f1a0d84d41ed7ce540

Aliases

arxiv: 2011.14288 · arxiv_version: 2011.14288v1 · doi: 10.48550/arxiv.2011.14288 · pith_short_12: 4LUFIVFHMAIA · pith_short_16: 4LUFIVFHMAIABXE3 · pith_short_8: 4LUFIVFH

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/4LUFIVFHMAIABXE3ZWCZELPGP3 \
  | 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: e2e85454a7601000dc9bcd85922de67ed19449eebe4960f1a0d84d41ed7ce540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "777e521c15be0d9f2b130ad87f39f25e1869c675e86c8dd792d188e3bceaa906",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-11-29T05:09:43Z",
    "title_canon_sha256": "8a69c5218c7c9b413d3258e07fc74c6c99ccb8c3918bd9fef5abe6e39e49d97b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.14288",
    "kind": "arxiv",
    "version": 1
  }
}