Pith Number

pith:WJ4TTUFE

pith:2019:WJ4TTUFETT236HNPTLDQJV2CDI

not attested not anchored not stored refs pending

The Importance of Metric Learning for Robotic Vision: Open Set Recognition and Active Learning

Benjamin J. Meyer, Tom Drummond

arxiv:1902.10363 v1 · 2019-02-27 · 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{WJ4TTUFETT236HNPTLDQJV2CDI}

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	2026-05-17T23:52:31.051599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b27939d0a49cf5bf1daf9ac704d7421a07ec2f9a2aa15454952cbe7fa876e39d

Aliases

arxiv: 1902.10363 · arxiv_version: 1902.10363v1 · doi: 10.48550/arxiv.1902.10363 · pith_short_12: WJ4TTUFETT23 · pith_short_16: WJ4TTUFETT236HNP · pith_short_8: WJ4TTUFE

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/WJ4TTUFETT236HNPTLDQJV2CDI \
  | 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: b27939d0a49cf5bf1daf9ac704d7421a07ec2f9a2aa15454952cbe7fa876e39d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e896d06e852476510f99d52ed619607c873c72548da1348174078c7f8bf49fe3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-27T07:18:24Z",
    "title_canon_sha256": "2b1450720854396ee2f67facb305b4a28bf74daa89fbf82904dd54510b494c0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10363",
    "kind": "arxiv",
    "version": 1
  }
}