Pith Number

pith:D35W23FZ

pith:2018:D35W23FZA3NUJQFPAYGSXJ7T7N

not attested not anchored not stored refs pending

Multiple Manifolds Metric Learning with Application to Image Set Classification

Josef Kittler, Kai-Xuan Chen, Rui Wang, Xiao-Jun Wu

arxiv:1805.11918 v1 · 2018-05-30 · 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{D35W23FZA3NUJQFPAYGSXJ7T7N}

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	2026-05-18T00:14:35.780514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1efb6d6cb906db44c0af060d2ba7f3fb619619d8dd1a6eda78a14cbff04b8d8f

Aliases

arxiv: 1805.11918 · arxiv_version: 1805.11918v1 · doi: 10.48550/arxiv.1805.11918 · pith_short_12: D35W23FZA3NU · pith_short_16: D35W23FZA3NUJQFP · pith_short_8: D35W23FZ

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/D35W23FZA3NUJQFPAYGSXJ7T7N \
  | 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: 1efb6d6cb906db44c0af060d2ba7f3fb619619d8dd1a6eda78a14cbff04b8d8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff809473952714aac395ef02cfd8a3f82a4f9df64b51c71d754d9de895496dd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-30T12:23:52Z",
    "title_canon_sha256": "ccb2b76a8c9b1f1eda1510165e85b9c8633fa2be59c513cea075f82ce11aa349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11918",
    "kind": "arxiv",
    "version": 1
  }
}