Pith Number

pith:HNVKQZCZ

pith:2014:HNVKQZCZXHMNTOJM7IRNUIQBS6

not attested not anchored not stored refs pending

Frugal Streaming for Estimating Quantiles:One (or two) memory suffices

Mark Sandler, Qiang Ma, S. Muthukrishnan

arxiv:1407.1121 v1 · 2014-07-04 · 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{HNVKQZCZXHMNTOJM7IRNUIQBS6}

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	2026-05-18T02:48:18.693533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6aa86459b9d8d9b92cfa22da22019783e3b1607067f51e7cfce80ee1ced4db

Aliases

arxiv: 1407.1121 · arxiv_version: 1407.1121v1 · doi: 10.48550/arxiv.1407.1121 · pith_short_12: HNVKQZCZXHMN · pith_short_16: HNVKQZCZXHMNTOJM · pith_short_8: HNVKQZCZ

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/HNVKQZCZXHMNTOJM7IRNUIQBS6 \
  | 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: 3b6aa86459b9d8d9b92cfa22da22019783e3b1607067f51e7cfce80ee1ced4db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44c8378d59e45c631db43caf23c1eb314fbece9c1d0b92e3da22a1e4dc462ff6",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-07-04T05:12:04Z",
    "title_canon_sha256": "827a0069e0a92a8e5cf1a0f2d7410f50a70bf859b47348fde272d4fe2fd7576f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1121",
    "kind": "arxiv",
    "version": 1
  }
}