Pith Number

pith:WWM2MEI6

pith:2017:WWM2MEI66FSLUDAX5OGKN35NWU

not attested not anchored not stored refs pending

Automatic Trimap Generation for Image Matting

Shanmuganathan Raman, Vikas Gupta

arxiv:1707.00333 v2 · 2017-07-02 · 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{WWM2MEI66FSLUDAX5OGKN35NWU}

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	2026-05-18T00:40:57.209211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b599a6111ef164ba0c17eb8ca6efadb5318bc064e0a903dcfb6be57d96a17e0d

Aliases

arxiv: 1707.00333 · arxiv_version: 1707.00333v2 · doi: 10.48550/arxiv.1707.00333 · pith_short_12: WWM2MEI66FSL · pith_short_16: WWM2MEI66FSLUDAX · pith_short_8: WWM2MEI6

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/WWM2MEI66FSLUDAX5OGKN35NWU \
  | 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: b599a6111ef164ba0c17eb8ca6efadb5318bc064e0a903dcfb6be57d96a17e0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1bb323b66c26682f5b9d9f72c3404f9f81f50d5e383836869a4e92ca9eef1c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-02T18:37:53Z",
    "title_canon_sha256": "68c9ca10e710d1364960eb834e0aa801844e931bf8abb456202c65fa551898a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00333",
    "kind": "arxiv",
    "version": 2
  }
}