Pith Number

pith:C7XHTK6S

pith:2019:C7XHTK6SAUESHQYKWPLYWYW3ON

not attested not anchored not stored refs pending

DeepPoint3D: Learning Discriminative Local Descriptors using Deep Metric Learning on 3D Point Clouds

Brejesh Lall, Siddharth Srivastava

arxiv:1904.00817 v1 · 2019-03-27 · 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{C7XHTK6SAUESHQYKWPLYWYW3ON}

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	2026-05-17T23:49:45.407934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17ee79abd2050923c30ab3d78b62db73515c64c3a6052cf8423f4cd4ecdc52fd

Aliases

arxiv: 1904.00817 · arxiv_version: 1904.00817v1 · doi: 10.48550/arxiv.1904.00817 · pith_short_12: C7XHTK6SAUES · pith_short_16: C7XHTK6SAUESHQYK · pith_short_8: C7XHTK6S

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/C7XHTK6SAUESHQYKWPLYWYW3ON \
  | 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: 17ee79abd2050923c30ab3d78b62db73515c64c3a6052cf8423f4cd4ecdc52fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5451be983592b132afe2034bf60767d8f4e9c23ae7f84704d4afbb9fe6e75e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-27T15:47:07Z",
    "title_canon_sha256": "37319c9a6fca351d6e096ac84adfaee6deffcee8b01906874f52008beca54020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00817",
    "kind": "arxiv",
    "version": 1
  }
}