Pith Number

pith:XJE2YSVG

pith:2012:XJE2YSVGLNOHUN7HJ2YDGMTFEU

not attested not anchored not stored refs pending

Parametric Local Metric Learning for Nearest Neighbor Classification

Adam Woznica, Alexandros Kalousis, Jun Wang

arxiv:1209.3056 v1 · 2012-09-13 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJE2YSVGLNOHUN7HJ2YDGMTFEU}

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	2026-05-18T03:45:32.892214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba49ac4aa65b5c7a37e74eb0333265253e2a6625ab3a63e68ac9e380e832eca8

Aliases

arxiv: 1209.3056 · arxiv_version: 1209.3056v1 · doi: 10.48550/arxiv.1209.3056 · pith_short_12: XJE2YSVGLNOH · pith_short_16: XJE2YSVGLNOHUN7H · pith_short_8: XJE2YSVG

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/XJE2YSVGLNOHUN7HJ2YDGMTFEU \
  | 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: ba49ac4aa65b5c7a37e74eb0333265253e2a6625ab3a63e68ac9e380e832eca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37ee8faa04320657fed22a13765e5d7e1df7213d7728002e8f113dee4fb7ad2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-09-13T22:47:07Z",
    "title_canon_sha256": "82ecf62a1c6e7d69b7c73095d9ce48fbcb91aa88d97bd90846bc80cf2598a7f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3056",
    "kind": "arxiv",
    "version": 1
  }
}