Pith Number

pith:QBSAOHM2

pith:2025:QBSAOHM2DNSOYXHQIHNFVQCNIT

not attested not anchored not stored refs pending

Multi-modal Multi-task Pre-training for Improved Point Cloud Understanding

Ben Fei, Lipeng Ma, Liwen Liu, Weidong Yang

arxiv:2507.17533 v1 · 2025-07-23 · 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{QBSAOHM2DNSOYXHQIHNFVQCNIT}

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	2026-07-05T11:42:09.558048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8064071d9a1b64ec5cf041da5ac04d44e45bf65323e576887498a1c94d707dde

Aliases

arxiv: 2507.17533 · arxiv_version: 2507.17533v1 · doi: 10.48550/arxiv.2507.17533 · pith_short_12: QBSAOHM2DNSO · pith_short_16: QBSAOHM2DNSOYXHQ · pith_short_8: QBSAOHM2

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/QBSAOHM2DNSOYXHQIHNFVQCNIT \
  | 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: 8064071d9a1b64ec5cf041da5ac04d44e45bf65323e576887498a1c94d707dde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a663ad6fa5f8bc629fa2d4995b0542f8bbcce1a5db0203464de76343f0fba077",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-23T14:13:14Z",
    "title_canon_sha256": "12dc4625285171a971992ef03e15e36ee74b9a801263e257f2e277b050cad62f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17533",
    "kind": "arxiv",
    "version": 1
  }
}