Pith Number

pith:XR6VKX4O

pith:2015:XR6VKX4OBKOYOFTU4QCEZGFL6C

not attested not anchored not stored refs pending

Sequential Probability Assignment with Binary Alphabets and Large Classes of Experts

Alexander Rakhlin, Karthik Sridharan

arxiv:1501.07340 v1 · 2015-01-29 · cs.IT · cs.LG · math.IT · 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{XR6VKX4OBKOYOFTU4QCEZGFL6C}

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	2026-05-18T02:28:22.225202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc7d555f8e0a9d871674e4044c98abf0b71979130c6a01273c3eee6906bae500

Aliases

arxiv: 1501.07340 · arxiv_version: 1501.07340v1 · doi: 10.48550/arxiv.1501.07340 · pith_short_12: XR6VKX4OBKOY · pith_short_16: XR6VKX4OBKOYOFTU · pith_short_8: XR6VKX4O

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/XR6VKX4OBKOYOFTU4QCEZGFL6C \
  | 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: bc7d555f8e0a9d871674e4044c98abf0b71979130c6a01273c3eee6906bae500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7223a98027f3582efabdd269df1fbfca7848823f986dcf8de86fbb3353c626a3",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-29T04:02:39Z",
    "title_canon_sha256": "80a533bf13677aed74f288b9f9862ffa5ec98ba172e48c5820b463f5208b9b39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07340",
    "kind": "arxiv",
    "version": 1
  }
}