Pith Number

pith:ARV45QZP

pith:2022:ARV45QZPDGOZYAB3JHW7QOCIAR

not attested not anchored not stored refs pending

Depth Contrast: Self-Supervised Pretraining on 3DPM Images for Mining Material Classification

Lars Lindqvist, Marcus Liwicki, Prakash Chandra Chhipa, Rajkumar Saini, Richard Nordenskjold, Richa Upadhyay, Seiichi Uchida

arxiv:2210.10633 v1 · 2022-10-18 · 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{ARV45QZPDGOZYAB3JHW7QOCIAR}

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	2026-07-05T05:08:21.953773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

046bcec32f199d9c003b49edf83848046444462c97ecead71600880f45bc533b

Aliases

arxiv: 2210.10633 · arxiv_version: 2210.10633v1 · doi: 10.48550/arxiv.2210.10633 · pith_short_12: ARV45QZPDGOZ · pith_short_16: ARV45QZPDGOZYAB3 · pith_short_8: ARV45QZP

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/ARV45QZPDGOZYAB3JHW7QOCIAR \
  | 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: 046bcec32f199d9c003b49edf83848046444462c97ecead71600880f45bc533b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b70fc78c87da450c5903777b7404902ea1be89d3a25ce2dd0017ffa9988811",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-10-18T04:17:16Z",
    "title_canon_sha256": "f3bbfa7bf11b914d9e47cebc183359c39f80b4c9c4c76a0d86befc29ef65e4a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.10633",
    "kind": "arxiv",
    "version": 1
  }
}