Pith Number

pith:R62TN3S6

pith:2021:R62TN3S6MXQISQZ3LN4IFM6SDZ

not attested not anchored not stored refs pending

A Topological-Framework to Improve Analysis of Machine Learning Model Performance

Colby Wight, Elizabeth Jurrus, Henry Kvinge, Keerti Kappagantula, Luke Gosink, Sarah Akers, Scott Howland, Tegan H. Emerson, Woongjo Choi, Xiaolong Ma

arxiv:2107.04714 v1 · 2021-07-09 · cs.LG · cs.CV · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R62TN3S6MXQISQZ3LN4IFM6SDZ}

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	2026-07-05T02:56:42.070510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fb536ee5e65e089433b5b7882b3d21e5878be48d9adca45ee2c0d7e6aeb72fa

Aliases

arxiv: 2107.04714 · arxiv_version: 2107.04714v1 · doi: 10.48550/arxiv.2107.04714 · pith_short_12: R62TN3S6MXQI · pith_short_16: R62TN3S6MXQISQZ3 · pith_short_8: R62TN3S6

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/R62TN3S6MXQISQZ3LN4IFM6SDZ \
  | 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: 8fb536ee5e65e089433b5b7882b3d21e5878be48d9adca45ee2c0d7e6aeb72fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d46aab893bedf34f580111bc9e2486c239358497c89ded7f3d6156a5edb4c3b",
    "cross_cats_sorted": [
      "cs.CV",
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-09T23:11:13Z",
    "title_canon_sha256": "3fbdb18d188392d17bc15b061fecd8a1a3ad4f90919c2596878ac2d9570cbe47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04714",
    "kind": "arxiv",
    "version": 1
  }
}