Pith Number

pith:VECJF4W3

pith:2014:VECJF4W3IZMYUGC6EAQHEA22YC

not attested not anchored not stored refs pending

Compressed bitmap indexes: beyond unions and intersections

Daniel Lemire, Owen Kaser

arxiv:1402.4466 v3 · 2014-02-18 · cs.DB · 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{VECJF4W3IZMYUGC6EAQHEA22YC}

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	2026-05-18T01:23:12.677060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a90492f2db46598a185e202072035ac098e6810e150a99563c8afe689f719edb

Aliases

arxiv: 1402.4466 · arxiv_version: 1402.4466v3 · doi: 10.48550/arxiv.1402.4466 · pith_short_12: VECJF4W3IZMY · pith_short_16: VECJF4W3IZMYUGC6 · pith_short_8: VECJF4W3

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/VECJF4W3IZMYUGC6EAQHEA22YC \
  | 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: a90492f2db46598a185e202072035ac098e6810e150a99563c8afe689f719edb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c640c3294b6249abab129d20bd50d8aa31f1c7ec69f358510a51e7b00732899c",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-02-18T20:41:33Z",
    "title_canon_sha256": "09d354d1da9c02271d5bf8336d23186a84004df1472b91ba325c9263264324f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4466",
    "kind": "arxiv",
    "version": 3
  }
}