Pith Number

pith:R2W22WJL

pith:2020:R2W22WJLXSCFNPC7HAZEPJZSAG

not attested not anchored not stored refs pending

UNOC: Understanding Occlusion for Embodied Presence in Virtual Reality

Chengcheng Tang, Christopher Twigg, Lingling Tao, Markus Steinberger, Mathias Parger, Robert Wang, Yijing Li, Yuanlu Xu

arxiv:2012.03680 v1 · 2020-11-12 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2W22WJLXSCFNPC7HAZEPJZSAG}

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	2026-07-05T01:57:32.714683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eadad592bbc8456bc5f383247a73201bda86d5faab7ec0c987aa6a71011d1b5

Aliases

arxiv: 2012.03680 · arxiv_version: 2012.03680v1 · doi: 10.48550/arxiv.2012.03680 · pith_short_12: R2W22WJLXSCF · pith_short_16: R2W22WJLXSCFNPC7 · pith_short_8: R2W22WJL

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/R2W22WJLXSCFNPC7HAZEPJZSAG \
  | 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: 8eadad592bbc8456bc5f383247a73201bda86d5faab7ec0c987aa6a71011d1b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99a16f6bcfeda32da672099e1c067e1ff0666b46b25e9715fc33898fd39bafbc",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-11-12T09:31:09Z",
    "title_canon_sha256": "c5020b1447f80bf8fa3be60a8211d3e9e9e85849145b10d5a8fe8c399f7429e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03680",
    "kind": "arxiv",
    "version": 1
  }
}