Pith Number

pith:QQ46XPST

pith:2021:QQ46XPSTNSNN5AT3JFUSDYHMPJ

not attested not anchored not stored refs pending

Hierarchical Bitmap Indexing for Range and Membership Queries on Multidimensional Arrays

(2) Rowan University, Czech Republic, Glassboro, Jan Holub (1) ((1) Czech Technical University in Prague, Lubo\v{s} Kr\v{c}\'al (1), NJ, Shen-Shyang Ho (2), USA)

arxiv:2108.13735 v1 · 2021-08-31 · 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{QQ46XPSTNSNN5AT3JFUSDYHMPJ}

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	2026-07-05T03:10:17.302239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8439ebbe536c9ade827b496921e0ec7a6bf9a70d26c754eec4cc0bf147241f6a

Aliases

arxiv: 2108.13735 · arxiv_version: 2108.13735v1 · doi: 10.48550/arxiv.2108.13735 · pith_short_12: QQ46XPSTNSNN · pith_short_16: QQ46XPSTNSNN5AT3 · pith_short_8: QQ46XPST

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/QQ46XPSTNSNN5AT3JFUSDYHMPJ \
  | 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: 8439ebbe536c9ade827b496921e0ec7a6bf9a70d26c754eec4cc0bf147241f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24de48471c67157d311c3b2109580aff323ec71228e61448ad9b65fdc7d388be",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-08-31T10:36:04Z",
    "title_canon_sha256": "81a3a04dc871b95e176f221ddfa68e33febc9da68765355cd3ad92ad9af32626"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13735",
    "kind": "arxiv",
    "version": 1
  }
}