Pith Number

pith:27P3R2W6

pith:2021:27P3R2W6YFJNNBOCCRHPFCU7MD

not attested not anchored not stored refs pending

What classifiers know what they don't?

David Lopez-Paz, Mohamed Ishmael Belghazi

arxiv:2107.06217 v1 · 2021-07-13 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27P3R2W6YFJNNBOCCRHPFCU7MD}

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.

Cited by

2 papers in Pith

Bandwidth Selection in Kernel Density Estimation for Model Calibration

Post-hoc Selective Classification for Reliable Synthetic Image Detection

Receipt and verification

First computed	2026-07-05T02:57:32.087981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7dfb8eadec152d685c2144ef28a9f60d7ee7b374cb9afb0fb5f4edd677a6576

Aliases

arxiv: 2107.06217 · arxiv_version: 2107.06217v1 · doi: 10.48550/arxiv.2107.06217 · pith_short_12: 27P3R2W6YFJN · pith_short_16: 27P3R2W6YFJNNBOC · pith_short_8: 27P3R2W6

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/27P3R2W6YFJNNBOCCRHPFCU7MD \
  | 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: d7dfb8eadec152d685c2144ef28a9f60d7ee7b374cb9afb0fb5f4edd677a6576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94ae019bde8193a03328cc0522cf430cdb6e0982d181d8a43d4b53001891d657",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-13T16:17:06Z",
    "title_canon_sha256": "b7049bf227f9552b57e9a20ad0bf3cfe7a937bc1e8fc2f7b9975db085454425c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06217",
    "kind": "arxiv",
    "version": 1
  }
}