Pith Number

pith:OMPXMWLL

pith:2015:OMPXMWLLLU6MANACQSJ7QDAXXY

not attested not anchored not stored refs pending

A Framework for Estimating Stream Expression Cardinalities

Anirban Dasgupta, Justin Thaler, Kevin Lang, Lee Rhodes

arxiv:1510.01455 v2 · 2015-10-06 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OMPXMWLLLU6MANACQSJ7QDAXXY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:20:06.412137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

731f76596b5d3cc034028493f80c17be2a579ca04d9b811270e986961317510e

Aliases

arxiv: 1510.01455 · arxiv_version: 1510.01455v2 · doi: 10.48550/arxiv.1510.01455 · pith_short_12: OMPXMWLLLU6M · pith_short_16: OMPXMWLLLU6MANAC · pith_short_8: OMPXMWLL

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/OMPXMWLLLU6MANACQSJ7QDAXXY \
  | 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: 731f76596b5d3cc034028493f80c17be2a579ca04d9b811270e986961317510e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c197b32ff5952dc2d5b4df17e2c190de3613c4e1f0e7c6fbf101be9250459c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-10-06T07:04:32Z",
    "title_canon_sha256": "38d9517116c6ba52d84a9dcfff37b94e35b5fe581717966677fc58d9b6558518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01455",
    "kind": "arxiv",
    "version": 2
  }
}