Pith Number

pith:ISFVUMEK

pith:2018:ISFVUMEKKHH3S3QXCAVIXQIVFJ

not attested not anchored not stored refs pending

Unsupervised Deep Context Prediction for Background Foreground Separation

Arif Mahmood, Maryam Sultana, Sajid Javed, Soon Ki Jung

arxiv:1805.07903 v1 · 2018-05-21 · 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{ISFVUMEKKHH3S3QXCAVIXQIVFJ}

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	2026-05-18T00:10:37.453189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

448b5a308a51cfb96e17102a8bc1152a6fbc605b5d6a5a0a7218252e7915121e

Aliases

arxiv: 1805.07903 · arxiv_version: 1805.07903v1 · doi: 10.48550/arxiv.1805.07903 · pith_short_12: ISFVUMEKKHH3 · pith_short_16: ISFVUMEKKHH3S3QX · pith_short_8: ISFVUMEK

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/ISFVUMEKKHH3S3QXCAVIXQIVFJ \
  | 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: 448b5a308a51cfb96e17102a8bc1152a6fbc605b5d6a5a0a7218252e7915121e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32eb86099acd0bcbc7938e983c2d516ddee9d9486341b6cd6e6465f61c976339",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-21T06:12:15Z",
    "title_canon_sha256": "a1e26468eabf0b50620bb5a563c27c13bdd08d8a568533d34f0d35cfc3de3773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07903",
    "kind": "arxiv",
    "version": 1
  }
}