Pith Number

pith:XJ3B4XJY

pith:2024:XJ3B4XJY7GF4GYEXUGIU3QBVTE

not attested not anchored not stored refs pending

A Lightweight UDF Learning Framework for 3D Reconstruction Based on Local Shape Functions

Fei Hou, Jiangbei Hu, Junhui Hou, Na Lei, Shengfa Wang, Yanggeng Li, Ying He, Zhebin Zhang

arxiv:2407.01330 v2 · 2024-07-01 · 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{XJ3B4XJY7GF4GYEXUGIU3QBVTE}

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	2026-07-05T11:00:59.769107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba761e5d38f98bc36097a1914dc035991c60be79980540882e59ecaa4d0f1c4f

Aliases

arxiv: 2407.01330 · arxiv_version: 2407.01330v2 · doi: 10.48550/arxiv.2407.01330 · pith_short_12: XJ3B4XJY7GF4 · pith_short_16: XJ3B4XJY7GF4GYEX · pith_short_8: XJ3B4XJY

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/XJ3B4XJY7GF4GYEXUGIU3QBVTE \
  | 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: ba761e5d38f98bc36097a1914dc035991c60be79980540882e59ecaa4d0f1c4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f087627d3fe3f0a7c1b93448e48e2f7a419b1ebfd511aa752c91bcbc487020f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-07-01T14:39:03Z",
    "title_canon_sha256": "523561cc645f8f6e18b166d85884df9199dad710378670124e86431d7275ce02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.01330",
    "kind": "arxiv",
    "version": 2
  }
}