Pith Number

pith:C5IPXE2P

pith:2019:C5IPXE2PROLOOVTRL2TRCWY5KG

not attested not anchored not stored refs pending

Adaptive filter ordering in Spark

Anastasios Gounaris, Nikodimos Nikolaidis

arxiv:1905.01349 v1 · 2019-05-03 · cs.DB · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5IPXE2PROLOOVTRL2TRCWY5KG}

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	2026-05-17T23:47:00.960839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1750fb934f8b96e756715ea7115b1d519ad1050e7af119094fcb33c1823d8932

Aliases

arxiv: 1905.01349 · arxiv_version: 1905.01349v1 · doi: 10.48550/arxiv.1905.01349 · pith_short_12: C5IPXE2PROLO · pith_short_16: C5IPXE2PROLOOVTR · pith_short_8: C5IPXE2P

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/C5IPXE2PROLOOVTRL2TRCWY5KG \
  | 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: 1750fb934f8b96e756715ea7115b1d519ad1050e7af119094fcb33c1823d8932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6359a2de1b9fde29fb5a154243bf550bad56a46dcad21453d744fdf3c29903de",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-05-03T19:36:55Z",
    "title_canon_sha256": "5aec7ac4c2833242c2a5710c785bbfc609ce326ca29a475c872c3995aeab4111"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01349",
    "kind": "arxiv",
    "version": 1
  }
}