Pith Number

pith:7HSV6QQZ

pith:2026:7HSV6QQZN65WTZPS7BIL52PQII

not attested not anchored not stored refs pending

Fast, Parallel, Query-Efficient Binary Classification

Aaron Sidford, Ishani Karmarkar, Liam O'Carroll

arxiv:2607.04062 v1 · 2026-07-05 · math.OC · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HSV6QQZN65WTZPS7BIL52PQII}

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	2026-07-07T02:18:55.479488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e55f42196fbb69e5f2f850bee9f0422eb628bff27ad3a0a3f6b67eeffcf879

Aliases

arxiv: 2607.04062 · arxiv_version: 2607.04062v1 · doi: 10.48550/arxiv.2607.04062 · pith_short_12: 7HSV6QQZN65W · pith_short_16: 7HSV6QQZN65WTZPS · pith_short_8: 7HSV6QQZ

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/7HSV6QQZN65WTZPS7BIL52PQII \
  | 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: f9e55f42196fbb69e5f2f850bee9f0422eb628bff27ad3a0a3f6b67eeffcf879

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9d15f5f18cc1193ae90478a14aacf5659b20f9e770489748232254ae84bdc25",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-07-05T00:18:56Z",
    "title_canon_sha256": "2fc9c68bd0991fd6b26be85a8632fdbebea040b0c97297eb5781a330614cbacc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04062",
    "kind": "arxiv",
    "version": 1
  }
}