Pith Number

pith:ZBO6CDU2

pith:2024:ZBO6CDU2UNXEPXXDXK3VGVOXR5

not attested not anchored not stored refs pending

DDM: A Metric for Comparing 3D Shapes Using Directional Distance Fields

Hongkai Xiong, Junhui Hou, Siyu Ren, Wenping Wang, Xiaodong Chen

arxiv:2401.09736 v5 · 2024-01-18 · 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{ZBO6CDU2UNXEPXXDXK3VGVOXR5}

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	2026-07-05T10:56:04.926215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c85de10e9aa36e47dee3bab75355d78f76f20bdd26c3f645657694369d36b4a6

Aliases

arxiv: 2401.09736 · arxiv_version: 2401.09736v5 · doi: 10.48550/arxiv.2401.09736 · pith_short_12: ZBO6CDU2UNXE · pith_short_16: ZBO6CDU2UNXEPXXD · pith_short_8: ZBO6CDU2

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/ZBO6CDU2UNXEPXXDXK3VGVOXR5 \
  | 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: c85de10e9aa36e47dee3bab75355d78f76f20bdd26c3f645657694369d36b4a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a6abf037bb8eeffb8a67011f195edea312e7c419aff84fbb30c1120ad7f3df8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-01-18T05:31:53Z",
    "title_canon_sha256": "1103d14abc2c8f2c38095512d4328c8855ae59eae35b0ff41f10567d1d35ad69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.09736",
    "kind": "arxiv",
    "version": 5
  }
}