Pith Number

pith:5435TGK4

pith:2021:5435TGK4GJTXDONPO2TWQRP5RM

not attested not anchored not stored refs pending

OPA: Object Placement Assessment Dataset

Bo Zhang, Jiangtong Li, Li Niu, Liqing Zhang, Liu Liu, Qingyang Liu, Zhenchen Liu

arxiv:2107.01889 v3 · 2021-07-05 · 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{5435TGK4GJTXDONPO2TWQRP5RM}

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.

Cited by

2 papers in Pith

HiddenObjects: Scalable Diffusion-Distilled Spatial Priors for Object Placement

CatalogStitch: Dimension-Aware and Occlusion-Preserving Object Compositing for Catalog Image Generation

Receipt and verification

First computed	2026-07-05T04:33:20.235985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef37d9995c326771b9af76a76845fd8b14408290e1a3754d211efa193da626bf

Aliases

arxiv: 2107.01889 · arxiv_version: 2107.01889v3 · doi: 10.48550/arxiv.2107.01889 · pith_short_12: 5435TGK4GJTX · pith_short_16: 5435TGK4GJTXDONP · pith_short_8: 5435TGK4

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/5435TGK4GJTXDONPO2TWQRP5RM \
  | 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: ef37d9995c326771b9af76a76845fd8b14408290e1a3754d211efa193da626bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0569fa89019a5b87c1a4a7ead10c10643ab56c38a10e653f48e7443a3bd8f0ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-05T09:23:53Z",
    "title_canon_sha256": "f666698cd9ff4fd2b954a793a18826d076dfb326c6267d274891c327f502c2f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.01889",
    "kind": "arxiv",
    "version": 3
  }
}