Pith Number

pith:AEGUNS4E

pith:2021:AEGUNS4EYUZFRCP4MKSFQB5OPS

not attested not anchored not stored refs pending

Self-Supervised Pretraining of 3D Features on any Point-Cloud

Armand Joulin, Ishan Misra, Rohit Girdhar, Zaiwei Zhang

arxiv:2101.02691 v1 · 2021-01-07 · 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{AEGUNS4EYUZFRCP4MKSFQB5OPS}

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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

1 paper in Pith

SELECT: A Submodular Approach for Active LiDAR Semantic Segmentation

Receipt and verification

First computed	2026-07-05T02:05:16.505921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

010d46cb84c5325889fc62a45807ae7ca137a147128d00edc6e8476286b7fb5d

Aliases

arxiv: 2101.02691 · arxiv_version: 2101.02691v1 · doi: 10.48550/arxiv.2101.02691 · pith_short_12: AEGUNS4EYUZF · pith_short_16: AEGUNS4EYUZFRCP4 · pith_short_8: AEGUNS4E

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/AEGUNS4EYUZFRCP4MKSFQB5OPS \
  | 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: 010d46cb84c5325889fc62a45807ae7ca137a147128d00edc6e8476286b7fb5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceaa4a54f676c8318c9f4d5f92437ba01fd6295993a884981991e0a894f781c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-07T18:55:21Z",
    "title_canon_sha256": "f78ad02870da9101be5f20ef9ce8d056ad2be2cacb338ed9b1c15a72252a397e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02691",
    "kind": "arxiv",
    "version": 1
  }
}