Pith Number

pith:4PCEWF4D

pith:2025:4PCEWF4DCHPG7VCNM7LPN27IXI

not attested not anchored not stored refs pending

DepthFlow: Exploiting Depth-Flow Structural Correlations for Unsupervised Video Object Segmentation

Donghyeong Kim, Jungho Lee, Minhyeok Lee, Sangyoun Lee, Suhwan Cho

arxiv:2507.19790 v1 · 2025-07-26 · 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{4PCEWF4DCHPG7VCNM7LPN27IXI}

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	2026-07-05T11:43:42.061354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3c44b178311de6fd44d67d6f6ebe8ba3678b987f2491aa392ff16ce0d0d4c2d

Aliases

arxiv: 2507.19790 · arxiv_version: 2507.19790v1 · doi: 10.48550/arxiv.2507.19790 · pith_short_12: 4PCEWF4DCHPG · pith_short_16: 4PCEWF4DCHPG7VCN · pith_short_8: 4PCEWF4D

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/4PCEWF4DCHPG7VCNM7LPN27IXI \
  | 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: e3c44b178311de6fd44d67d6f6ebe8ba3678b987f2491aa392ff16ce0d0d4c2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "925d8f138762a11883607a503379ca10bbabc1348fdebdb0c37eaeb61188f0b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-26T04:31:16Z",
    "title_canon_sha256": "8cb1e59e214a370846675872bee8be8fa427ab58eedf1451e7a2cdba9c679324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19790",
    "kind": "arxiv",
    "version": 1
  }
}