Pith Number

pith:S6MMHA3N

pith:2013:S6MMHA3N6QOQL2F5KFGEBJCCHT

not attested not anchored not stored refs pending

On Search Engine Evaluation Metrics

Pavel Sirotkin

arxiv:1302.2318 v1 · 2013-02-10 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S6MMHA3N6QOQL2F5KFGEBJCCHT}

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

1 paper in Pith

Accelerated learning from recommender systems using multi-armed bandit

Receipt and verification

First computed	2026-05-18T03:34:01.622242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9798c3836df41d05e8bd514c40a4423cf9d1a9e66b6522181e439379d65810a5

Aliases

arxiv: 1302.2318 · arxiv_version: 1302.2318v1 · doi: 10.48550/arxiv.1302.2318 · pith_short_12: S6MMHA3N6QOQ · pith_short_16: S6MMHA3N6QOQL2F5 · pith_short_8: S6MMHA3N

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/S6MMHA3N6QOQL2F5KFGEBJCCHT \
  | 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: 9798c3836df41d05e8bd514c40a4423cf9d1a9e66b6522181e439379d65810a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57a8523338f23726e564dea39aa386c95a300f254c2db55ff567d9f4c3cb5d5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-02-10T10:50:56Z",
    "title_canon_sha256": "2363e912218751ef56ce82bf72b7dc7c17993b82a562d0062a15d5cd377d46d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2318",
    "kind": "arxiv",
    "version": 1
  }
}