Pith Number

pith:SD3EGR6Z

pith:2015:SD3EGR6ZIX5DCQGWSOCDDCV5I4

not attested not anchored not stored refs pending

Constant Time EXPected Similarity Estimation using Stochastic Optimization

G\"unther Palm, Markus Schneider, Wolfgang Ertel

arxiv:1511.05371 v1 · 2015-11-17 · 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{SD3EGR6ZIX5DCQGWSOCDDCV5I4}

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	2026-05-18T01:26:40.441833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f64347d945fa3140d69384318abd47168582d5fa97d42255043286695e8516

Aliases

arxiv: 1511.05371 · arxiv_version: 1511.05371v1 · doi: 10.48550/arxiv.1511.05371 · pith_short_12: SD3EGR6ZIX5D · pith_short_16: SD3EGR6ZIX5DCQGW · pith_short_8: SD3EGR6Z

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/SD3EGR6ZIX5DCQGWSOCDDCV5I4 \
  | 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: 90f64347d945fa3140d69384318abd47168582d5fa97d42255043286695e8516

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d425ab3456f7bc02fe047b68ea66501702d19da1897c94bdd26f613ae22ef5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-11-17T12:10:03Z",
    "title_canon_sha256": "908eb43608903012e39a374882561becbd4fdb0f0734bc4f7d9b3f15503a2a2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05371",
    "kind": "arxiv",
    "version": 1
  }
}