Pith Number

pith:GGHRL4VD

pith:2026:GGHRL4VDOTHBJPNQKZWC3X4IME

not attested not anchored not stored refs pending

What Cosine Similarity of Label Representations Can and Cannot Tell us

Andreas Grivas, Beatrix M. G. Nielsen

arxiv:2603.29488 v2 · 2026-03-31 · 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{GGHRL4VDOTHBJPNQKZWC3X4IME}

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	2026-06-02T03:04:40.762112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

318f15f2a374ce14bdb0566c2ddf88610f064254a10595c0225b59a348bd224f

Aliases

arxiv: 2603.29488 · arxiv_version: 2603.29488v2 · doi: 10.48550/arxiv.2603.29488 · pith_short_12: GGHRL4VDOTHB · pith_short_16: GGHRL4VDOTHBJPNQ · pith_short_8: GGHRL4VD

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/GGHRL4VDOTHBJPNQKZWC3X4IME \
  | 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: 318f15f2a374ce14bdb0566c2ddf88610f064254a10595c0225b59a348bd224f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "918ef7bb453eb718da559f19c744b63419a28272b9b54c422e6be1cd902423d7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-03-31T09:33:12Z",
    "title_canon_sha256": "8ded2e1ba6aea5a1aa95dae83671f62bc15408fc6274f648a4bbf0eacfecb5a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.29488",
    "kind": "arxiv",
    "version": 2
  }
}