Pith Number

pith:34FIE7EV

pith:2025:34FIE7EVRMZMGYIBCJALNFXCPF

not attested not anchored not stored refs pending

Neural Networks Learn Distance Metrics

Alan Oursland

arxiv:2502.02103 v1 · 2025-02-04 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34FIE7EVRMZMGYIBCJALNFXCPF}

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	2026-07-05T10:09:23.777490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df0a827c958b32c361011240b696e2794318990300b4454d108c7dd89f9a4bf5

Aliases

arxiv: 2502.02103 · arxiv_version: 2502.02103v1 · doi: 10.48550/arxiv.2502.02103 · pith_short_12: 34FIE7EVRMZM · pith_short_16: 34FIE7EVRMZMGYIB · pith_short_8: 34FIE7EV

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/34FIE7EVRMZMGYIBCJALNFXCPF \
  | 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: df0a827c958b32c361011240b696e2794318990300b4454d108c7dd89f9a4bf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a43fae998a9c7f66a2c4e14817a0d5388d85209e9e4b48b8883064af0e4b3e35",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-04T08:35:57Z",
    "title_canon_sha256": "7c4fa73699f8ca7f4f00545e5a5d30b78b96dd6cd9c9426f79fab16ad052ee38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02103",
    "kind": "arxiv",
    "version": 1
  }
}