Pith Number

pith:QW2MJSIC

pith:2021:QW2MJSICBKE6TUXJTA7MUI2WYM

not attested not anchored not stored refs pending

Auto4D: Learning to Label 4D Objects from Sequential Point Clouds

Bin Yang, Min Bai, Ming Liang, Raquel Urtasun, Wenyuan Zeng

arxiv:2101.06586 v2 · 2021-01-17 · 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{QW2MJSICBKE6TUXJTA7MUI2WYM}

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	2026-07-05T02:22:25.288409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b4c4c9020a89e9d2e9983eca2356c330f166259784ea1d68b509dd27395fd3

Aliases

arxiv: 2101.06586 · arxiv_version: 2101.06586v2 · doi: 10.48550/arxiv.2101.06586 · pith_short_12: QW2MJSICBKE6 · pith_short_16: QW2MJSICBKE6TUXJ · pith_short_8: QW2MJSIC

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/QW2MJSICBKE6TUXJTA7MUI2WYM \
  | 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: 85b4c4c9020a89e9d2e9983eca2356c330f166259784ea1d68b509dd27395fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9def49dd226e395640c2e5fd930d6e014d01f4666c3f050bcc7d7bf00296a823",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-17T04:23:05Z",
    "title_canon_sha256": "2fa6fc3eeabc254f9fbc9cfd34792e15e9df1db11014d5a7112edad7e9dcab8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.06586",
    "kind": "arxiv",
    "version": 2
  }
}