Pith Number

pith:6XVZ5MYM

pith:2018:6XVZ5MYMEDDBM27CP4V55MN4KV

not attested not anchored not stored refs pending

Per-Flow Cardinality Estimation Based On Virtual LogLog Sketching

Zeyu Zhou

arxiv:1812.03040 v1 · 2018-11-30 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XVZ5MYMEDDBM27CP4V55MN4KV}

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	2026-05-17T23:58:51.109118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5eb9eb30c20c6166be27f2bdeb1bc55531ddeab34a5ed3d448c03bb65fe56db

Aliases

arxiv: 1812.03040 · arxiv_version: 1812.03040v1 · doi: 10.48550/arxiv.1812.03040 · pith_short_12: 6XVZ5MYMEDDB · pith_short_16: 6XVZ5MYMEDDBM27C · pith_short_8: 6XVZ5MYM

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/6XVZ5MYMEDDBM27CP4V55MN4KV \
  | 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: f5eb9eb30c20c6166be27f2bdeb1bc55531ddeab34a5ed3d448c03bb65fe56db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63dda3f16d527e9cddf577f7044191c47299cdfb8bc9a9c9fc4e948dd6e99337",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-11-30T21:44:14Z",
    "title_canon_sha256": "12b78730ec7e18d229702049b467c9c5ac863db5e90ae0a0c5ab8023ef36284c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03040",
    "kind": "arxiv",
    "version": 1
  }
}