Pith Number

pith:U6SRDAZP

pith:2019:U6SRDAZPMNYPMVKYUAOWQ7ABYR

not attested not anchored not stored refs pending

Computational Complexity of Queries Based on Itemsets

Nikolaj Tatti

arxiv:1902.00633 v1 · 2019-02-02 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6SRDAZPMNYPMVKYUAOWQ7ABYR}

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	2026-05-17T23:54:52.606029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7a511832f6370f65558a01d687c01c4779d6768aebab0ebb94d4f8185436d64

Aliases

arxiv: 1902.00633 · arxiv_version: 1902.00633v1 · doi: 10.48550/arxiv.1902.00633 · pith_short_12: U6SRDAZPMNYP · pith_short_16: U6SRDAZPMNYPMVKY · pith_short_8: U6SRDAZP

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/U6SRDAZPMNYPMVKYUAOWQ7ABYR \
  | 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: a7a511832f6370f65558a01d687c01c4779d6768aebab0ebb94d4f8185436d64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d1aff0a3c610a60bded5ccc79f79c09798fad9d3bc4c6fc214d22647b93c20a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-02-02T03:07:13Z",
    "title_canon_sha256": "75b5050ef5553f0d86880d4d4e38dfaa4183bede51327972a98be34d0eba8359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00633",
    "kind": "arxiv",
    "version": 1
  }
}