Pith Number

pith:2DQOOKDJ

pith:2017:2DQOOKDJXJI2WDNJFN3YEEQCIK

not attested not anchored not stored refs pending

On the combinatorics of the 2-class classification problem

Diego Delle Donne, Javier Marenco, Ricardo C. Corr\^ea

arxiv:1706.06214 v2 · 2017-06-19 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DQOOKDJXJI2WDNJFN3YEEQCIK}

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	2026-05-18T00:27:09.451857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0e0e72869ba51ab0da92b7782120242adb68dcb3389bd889c1a3feda93226c5

Aliases

arxiv: 1706.06214 · arxiv_version: 1706.06214v2 · doi: 10.48550/arxiv.1706.06214 · pith_short_12: 2DQOOKDJXJI2 · pith_short_16: 2DQOOKDJXJI2WDNJ · pith_short_8: 2DQOOKDJ

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/2DQOOKDJXJI2WDNJFN3YEEQCIK \
  | 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: d0e0e72869ba51ab0da92b7782120242adb68dcb3389bd889c1a3feda93226c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de1cac61a353e7740ec9efaa9bbe458815cf6e02a263dc7e4007047e41485c6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-06-19T23:25:44Z",
    "title_canon_sha256": "c1532a16af1c84a786cd14dc6945aadf8929cb78bd783686948b50dd102c3289"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06214",
    "kind": "arxiv",
    "version": 2
  }
}