Pith Number

pith:7QGP4VL5

pith:2018:7QGP4VL53JO3OHZXGQ3ZOJNP7K

not attested not anchored not stored refs pending

The Story of HyperLogLog: How Flajolet Processed Streams with Coin Flips

J\'er\'emie O. Lumbroso

arxiv:1805.00612 v2 · 2018-05-02 · cs.DS · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QGP4VL53JO3OHZXGQ3ZOJNP7K}

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	2026-05-17T23:58:08.634793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0cfe557dda5db71f3734379725affaac6581669ed3a6c868e309488f11f8ac

Aliases

arxiv: 1805.00612 · arxiv_version: 1805.00612v2 · doi: 10.48550/arxiv.1805.00612 · pith_short_12: 7QGP4VL53JO3 · pith_short_16: 7QGP4VL53JO3OHZX · pith_short_8: 7QGP4VL5

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/7QGP4VL53JO3OHZXGQ3ZOJNP7K \
  | 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: fc0cfe557dda5db71f3734379725affaac6581669ed3a6c868e309488f11f8ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa3ddea4bcd7f0c22f785c7482ac8ca782bdddab3f17ce2bd08fa2f0a8bbd66",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-02T03:47:35Z",
    "title_canon_sha256": "04b3dbc8dd1c22f98e038e0be991d6a560ecf75594226e183f2eae77ee166c06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00612",
    "kind": "arxiv",
    "version": 2
  }
}