Pith Number

pith:KHNXPJPG

pith:2018:KHNXPJPGUJ5VO43EY5LDP2EPPM

not attested not anchored not stored refs pending

Introducing Curvature to the Label Space

Ben Day, Conor Sheehan, Pietro Li\`o

arxiv:1810.09549 v1 · 2018-10-22 · cs.LG · 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{KHNXPJPGUJ5VO43EY5LDP2EPPM}

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	2026-05-18T00:02:39.263110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51db77a5e6a27b577364c75637e88f7b08cbfc863a9104be750e2e53d14cb92b

Aliases

arxiv: 1810.09549 · arxiv_version: 1810.09549v1 · doi: 10.48550/arxiv.1810.09549 · pith_short_12: KHNXPJPGUJ5V · pith_short_16: KHNXPJPGUJ5VO43E · pith_short_8: KHNXPJPG

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/KHNXPJPGUJ5VO43EY5LDP2EPPM \
  | 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: 51db77a5e6a27b577364c75637e88f7b08cbfc863a9104be750e2e53d14cb92b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2521246d513680a9a85151d0c0698448b2d5e12458796211082443c94dd25b1a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-10-22T20:57:42Z",
    "title_canon_sha256": "2f04c395762d64cbccf1e61a5e153af65a639d3b623f42caae9fa73b745772c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09549",
    "kind": "arxiv",
    "version": 1
  }
}