Pith Number

pith:AT4TZAWZ

pith:2019:AT4TZAWZKCTJ4TK44DYUQP2FOR

not attested not anchored not stored refs pending

A Sketch Based 3D Shape Retrieval Approach Based on Efficient Deep Point-to-Subspace Metric Learning

Lingqiao Liu, Pingping Zhang, Yinjie Lei, Yulan Guo, Zijun Ma, Ziqin Zhou

arxiv:1903.00117 v2 · 2019-03-01 · 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{AT4TZAWZKCTJ4TK44DYUQP2FOR}

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	2026-05-17T23:51:21.071153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04f93c82d950a69e4d5ce0f1483f45744dbda81bba3ac99e3fea9713072ce01d

Aliases

arxiv: 1903.00117 · arxiv_version: 1903.00117v2 · doi: 10.48550/arxiv.1903.00117 · pith_short_12: AT4TZAWZKCTJ · pith_short_16: AT4TZAWZKCTJ4TK4 · pith_short_8: AT4TZAWZ

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/AT4TZAWZKCTJ4TK44DYUQP2FOR \
  | 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: 04f93c82d950a69e4d5ce0f1483f45744dbda81bba3ac99e3fea9713072ce01d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb71101f11ffd2f3c952eb28781130305325bada0fb6fed9dec40ed96de35093",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-01T01:13:30Z",
    "title_canon_sha256": "6b9181df4ddc70f1194b022d6d8681e8988ca53cc3c7ba843af63d6bc5a714a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00117",
    "kind": "arxiv",
    "version": 2
  }
}