Pith Number

pith:PVRPDEH2

pith:2018:PVRPDEH2JCVGZPM7QBWKMIQIGY

not attested not anchored not stored refs pending

High-confidence error estimates for learned value functions

Martha White, Touqir Sajed, Wesley Chung

arxiv:1808.09127 v1 · 2018-08-28 · stat.ML · 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{PVRPDEH2JCVGZPM7QBWKMIQIGY}

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	2026-05-18T00:07:04.412912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d62f190fa48aa6cbd9f806ca622083618b452823dd069ce077a1ca51e6ca0ab

Aliases

arxiv: 1808.09127 · arxiv_version: 1808.09127v1 · doi: 10.48550/arxiv.1808.09127 · pith_short_12: PVRPDEH2JCVG · pith_short_16: PVRPDEH2JCVGZPM7 · pith_short_8: PVRPDEH2

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/PVRPDEH2JCVGZPM7QBWKMIQIGY \
  | 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: 7d62f190fa48aa6cbd9f806ca622083618b452823dd069ce077a1ca51e6ca0ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71af2abed8caa05e1221891a9388fad6090b7cdc3427bab35fa3d890fa44f999",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-08-28T05:39:48Z",
    "title_canon_sha256": "ae790e972b9c57a902583ad2d9006a44bef2a6bc7ec768b5a082613e665f509c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09127",
    "kind": "arxiv",
    "version": 1
  }
}