Pith Number

pith:K4ZR6FUO

pith:2021:K4ZR6FUO6Y6OZWTP64INGENNZ7

not attested not anchored not stored refs pending

3D Instance Segmentation of MVS Buildings

Jiazhou Chen, Liangliang Nan, Ronghua Liang, Shufang Lu, Yanghui Xu

arxiv:2112.09902 v2 · 2021-12-18 · cs.CV · cs.AI · 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{K4ZR6FUO6Y6OZWTP64INGENNZ7}

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	2026-07-05T04:47:10.382657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57331f168ef63cecda6ff710d311adcff00a0efae78ed327ffaf3168558a381d

Aliases

arxiv: 2112.09902 · arxiv_version: 2112.09902v2 · doi: 10.48550/arxiv.2112.09902 · pith_short_12: K4ZR6FUO6Y6O · pith_short_16: K4ZR6FUO6Y6OZWTP · pith_short_8: K4ZR6FUO

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/K4ZR6FUO6Y6OZWTP64INGENNZ7 \
  | 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: 57331f168ef63cecda6ff710d311adcff00a0efae78ed327ffaf3168558a381d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c96e56a6081bbaaeba336226cf49d4e118baa4b09e8ad904411e5941877bdcf",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-18T11:12:38Z",
    "title_canon_sha256": "a16cbd42e39c1a86fc60cba6d546140439df95bc9108e15f03a5c7a9eb4039e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09902",
    "kind": "arxiv",
    "version": 2
  }
}