Pith Number

pith:B7AVZCJC

pith:2019:B7AVZCJCZVHUWPDNNDLRGTB6HI

not attested not anchored not stored refs pending

Where are the Masks: Instance Segmentation with Image-level Supervision

David Vazquez, Issam H. Laradji, Mark Schmidt

arxiv:1907.01430 v1 · 2019-07-02 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7AVZCJCZVHUWPDNNDLRGTB6HI}

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	2026-05-17T23:41:40.415910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc15c8922cd4f4b3c6d68d7134c3e3a203f6e156f89c5e2e24c291a6de80930

Aliases

arxiv: 1907.01430 · arxiv_version: 1907.01430v1 · doi: 10.48550/arxiv.1907.01430 · pith_short_12: B7AVZCJCZVHU · pith_short_16: B7AVZCJCZVHUWPDN · pith_short_8: B7AVZCJC

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/B7AVZCJCZVHUWPDNNDLRGTB6HI \
  | 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: 0fc15c8922cd4f4b3c6d68d7134c3e3a203f6e156f89c5e2e24c291a6de80930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a917361da64246b7bed4d4dfb41a3d6f044628862296b9c5c35ace5b9ec6e836",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-02T15:12:20Z",
    "title_canon_sha256": "f667943614b02d61ff1959db99ad689106d0a504650c8229742d0f929e091b96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01430",
    "kind": "arxiv",
    "version": 1
  }
}