Pith Number

pith:C25XKW7B

pith:2017:C25XKW7B4PEYPL5QV6M2HJVYNU

not attested not anchored not stored refs pending

New Cardinality Estimation Methods for HyperLogLog Sketches

Otmar Ertl

arxiv:1706.07290 v1 · 2017-06-20 · 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{C25XKW7B4PEYPL5QV6M2HJVYNU}

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	2026-05-18T00:41:52.049091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16bb755be1e3c987afb0af99a3a6b86d27fcd80e693869f7fc205d3530a0e924

Aliases

arxiv: 1706.07290 · arxiv_version: 1706.07290v1 · doi: 10.48550/arxiv.1706.07290 · pith_short_12: C25XKW7B4PEY · pith_short_16: C25XKW7B4PEYPL5Q · pith_short_8: C25XKW7B

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/C25XKW7B4PEYPL5QV6M2HJVYNU \
  | 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: 16bb755be1e3c987afb0af99a3a6b86d27fcd80e693869f7fc205d3530a0e924

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b15d5cdfe3a63378cae4812bb9c8fbf71e244c2a53e69366d06212dc7a347dcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-06-20T19:14:12Z",
    "title_canon_sha256": "f2b310acc73277ab5ccde5158aa786b3047313f5a9ecd4916426f6e9c7a5a3ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07290",
    "kind": "arxiv",
    "version": 1
  }
}