pith. sign in
Pith Number

pith:WRC5IMRW

pith:2014:WRC5IMRWOYMWAZNIP2FTRBQYU5
not attested not anchored not stored refs pending

Better bitmap performance with Roaring bitmaps

Daniel Lemire, Owen Kaser, Robert Godin, Samy Chambi

arxiv:1402.6407 v10 · 2014-02-26 · cs.DB

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WRC5IMRWOYMWAZNIP2FTRBQYU5}

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 2026-05-18T01:17:26.151402Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b445d4323676196065a87e8b388618a77667a0f5963d6de6d76ee273e7b850bf

Aliases

arxiv: 1402.6407 · arxiv_version: 1402.6407v10 · doi: 10.48550/arxiv.1402.6407 · pith_short_12: WRC5IMRWOYMW · pith_short_16: WRC5IMRWOYMWAZNI · pith_short_8: WRC5IMRW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WRC5IMRWOYMWAZNIP2FTRBQYU5 \
  | 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: b445d4323676196065a87e8b388618a77667a0f5963d6de6d76ee273e7b850bf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "299c4aab97c76f91f44989656c2fb4e3bce28cdae697c264a1e6c26b96dca853",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-02-26T04:38:22Z",
    "title_canon_sha256": "e0f8e4b45a7fb443534ffefd945b6bd5c75b35964333a5ca28f9985fc2709faa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6407",
    "kind": "arxiv",
    "version": 10
  }
}