Pith Number

pith:KANSFR4L

pith:2018:KANSFR4L53RM4LEIWAXIOLSLGQ

not attested not anchored not stored refs pending

Fast Random Integer Generation in an Interval

Daniel Lemire

arxiv:1805.10941 v4 · 2018-05-28 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KANSFR4L53RM4LEIWAXIOLSLGQ}

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	2026-05-17T23:44:00.181171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

501b22c78beee2ce2c88b02e872e4b3400453f74af93aca8509958bc91a64b6d

Aliases

arxiv: 1805.10941 · arxiv_version: 1805.10941v4 · doi: 10.48550/arxiv.1805.10941 · pith_short_12: KANSFR4L53RM · pith_short_16: KANSFR4L53RM4LEI · pith_short_8: KANSFR4L

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/KANSFR4L53RM4LEIWAXIOLSLGQ \
  | 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: 501b22c78beee2ce2c88b02e872e4b3400453f74af93aca8509958bc91a64b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f65f672088d94cfa50729d9a27219d7004c60232937849422ce873e3fe513d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-28T14:28:04Z",
    "title_canon_sha256": "855b5f89027de5d24a7d53253fec7eaf4493b6d390e87bfab6c1e0b00220a219"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10941",
    "kind": "arxiv",
    "version": 4
  }
}