Pith Number

pith:EG6SOGE6

pith:2021:EG6SOGE6FHURFOPN254JCAOWSD

not attested not anchored not stored refs pending

Learning from 2D: Contrastive Pixel-to-Point Knowledge Transfer for 3D Pretraining

Ching-Yu Tseng, Chin-Tang Chen, Hung-Ting Su, Hung-Yueh Chiang, Winston H. Hsu, Yueh-Cheng Liu, Yu-Kai Huang, Zhe-Yu Liu

arxiv:2104.04687 v3 · 2021-04-10 · 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{EG6SOGE6FHURFOPN254JCAOWSD}

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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

5 papers in Pith

HilDA: Hierarchical Distillation with Diffusion for Advancing Self-Supervised LiDAR Pre-training

Cross4D-JEPA: Dense Cross-modal Correspondence Distillation for 4D Point Cloud Representation Learning

Bridging the Dimensionality Gap: A Taxonomy and Survey of 2D Vision Model Adaptation for 3D Analysis

Hyperbolic Distillation: Geometry-Guided Cross-Modal Transfer for Robust 3D Object Detection

Feasibility of Indoor Frame-Wise Lidar Semantic Segmentation via Distillation from Visual Foundation Model

Receipt and verification

First computed	2026-07-05T03:43:40.235493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21bd27189e29e912b9edd7789101d690c6ae594a0d0d636adb7af4a68905bc29

Aliases

arxiv: 2104.04687 · arxiv_version: 2104.04687v3 · doi: 10.48550/arxiv.2104.04687 · pith_short_12: EG6SOGE6FHUR · pith_short_16: EG6SOGE6FHURFOPN · pith_short_8: EG6SOGE6

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/EG6SOGE6FHURFOPN254JCAOWSD \
  | 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: 21bd27189e29e912b9edd7789101d690c6ae594a0d0d636adb7af4a68905bc29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed16fd15456a2893081f51f044cb8707bdccf75feaeb6d8767549395c2913471",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-10T05:40:42Z",
    "title_canon_sha256": "b3bbc043e9b46f6fb9479985f0532c3bc3f19df4f788f6c548cda67694036901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04687",
    "kind": "arxiv",
    "version": 3
  }
}