Pith Number

pith:UL3AKH6N

pith:2018:UL3AKH6NFPVR3DB4Q44I2P6CA2

not attested not anchored not stored refs pending

Automatic Classifiers as Scientific Instruments: One Step Further Away from Ground-Truth

Anand Ramakrishnan, Jacob Whitehill

arxiv:1812.08255 v2 · 2018-12-19 · 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{UL3AKH6NFPVR3DB4Q44I2P6CA2}

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	2026-05-17T23:47:02.204934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2f6051fcd2beb1d8c3c87388d3fc206b4d44e92778e2cbdfad58c5bb706256e

Aliases

arxiv: 1812.08255 · arxiv_version: 1812.08255v2 · doi: 10.48550/arxiv.1812.08255 · pith_short_12: UL3AKH6NFPVR · pith_short_16: UL3AKH6NFPVR3DB4 · pith_short_8: UL3AKH6N

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/UL3AKH6NFPVR3DB4Q44I2P6CA2 \
  | 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: a2f6051fcd2beb1d8c3c87388d3fc206b4d44e92778e2cbdfad58c5bb706256e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b67e6c973700177a5d2fe64e2fb30f9cae77e9e2120824843ef0b73638af725d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-19T21:32:14Z",
    "title_canon_sha256": "67e1bf2efef73df737acb2ba1bff10795704109c684940bd572611a6b62b9678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08255",
    "kind": "arxiv",
    "version": 2
  }
}