Pith Number

pith:IWIOWFIF

pith:2019:IWIOWFIFE47JHD64F55P7TQWU2

not attested not anchored not stored refs pending

Fast User-Guided Video Object Segmentation by Interaction-and-Propagation Networks

Joon-Young Lee, Ning Xu, Seon Joo Kim, Seoung Wug Oh

arxiv:1904.09791 v2 · 2019-04-22 · 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{IWIOWFIFE47JHD64F55P7TQWU2}

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	2026-05-17T23:47:11.943827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4590eb1505273e938fdc2f7affce16a683293e3a7b6c17aa5d258e1f38354ad6

Aliases

arxiv: 1904.09791 · arxiv_version: 1904.09791v2 · doi: 10.48550/arxiv.1904.09791 · pith_short_12: IWIOWFIFE47J · pith_short_16: IWIOWFIFE47JHD64 · pith_short_8: IWIOWFIF

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/IWIOWFIFE47JHD64F55P7TQWU2 \
  | 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: 4590eb1505273e938fdc2f7affce16a683293e3a7b6c17aa5d258e1f38354ad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1d7d11ebb4c85567f83d01a62b078ad4b484f9d56553921d2bfe4fdc3d7aed3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-22T10:17:46Z",
    "title_canon_sha256": "06119c9a7977a079cb11fc0fa3f41000f760a5a735163b64130c2781840cd297"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09791",
    "kind": "arxiv",
    "version": 2
  }
}