Pith Number

pith:72ZYGFIN

pith:2019:72ZYGFINKXJQTLOODVXUCQXCVM

not attested not anchored not stored refs pending

Indices Matter: Learning to Index for Deep Image Matting

Chunhua Shen, Hao Lu, Songcen Xu, Yutong Dai

arxiv:1908.00672 v1 · 2019-08-02 · 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{72ZYGFINKXJQTLOODVXUCQXCVM}

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	2026-07-04T23:51:08.078501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb383150d55d309adce1d6f4142e2ab2b900befa2008ea0df6e68d1e95df45c

Aliases

arxiv: 1908.00672 · arxiv_version: 1908.00672v1 · doi: 10.48550/arxiv.1908.00672 · pith_short_12: 72ZYGFINKXJQ · pith_short_16: 72ZYGFINKXJQTLOO · pith_short_8: 72ZYGFIN

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/72ZYGFINKXJQTLOODVXUCQXCVM \
  | 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: feb383150d55d309adce1d6f4142e2ab2b900befa2008ea0df6e68d1e95df45c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dfe4d86a9269c07fd2734c9e0f5869901b1c33e60932b1e398727bebd0f6006",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-02T01:10:42Z",
    "title_canon_sha256": "7d69c073f65b7f5f457747d1b7a1ba239f7d28138963a322e344ad484f480b6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00672",
    "kind": "arxiv",
    "version": 1
  }
}