Pith Number

pith:A3FBZOCF

pith:2013:A3FBZOCFVBYSFRUNJWI4N2GUPM

not attested not anchored not stored refs pending

A Sampling Algebra for Aggregate Estimation

Alin Dobra, Chris Jermaine, Supriya Nirkhiwale

arxiv:1307.0193 v1 · 2013-06-30 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3FBZOCFVBYSFRUNJWI4N2GUPM}

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	2026-05-18T03:19:34.013443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06ca1cb845a87122c68d4d91c6e8d47b1a89d34e1895d07e9b1d6f2cd1217d84

Aliases

arxiv: 1307.0193 · arxiv_version: 1307.0193v1 · doi: 10.48550/arxiv.1307.0193 · pith_short_12: A3FBZOCFVBYS · pith_short_16: A3FBZOCFVBYSFRUN · pith_short_8: A3FBZOCF

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/A3FBZOCFVBYSFRUNJWI4N2GUPM \
  | 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: 06ca1cb845a87122c68d4d91c6e8d47b1a89d34e1895d07e9b1d6f2cd1217d84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63b4306423e811d67d84968199fbffdd000888db6cb9ce11433d7313ecd0c068",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-06-30T10:07:22Z",
    "title_canon_sha256": "d9f870f103805925655384cabf182c614bad5b4ce76a02fc741e5a2b6cf075eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0193",
    "kind": "arxiv",
    "version": 1
  }
}