Pith Number

pith:YZZWGP5C

pith:2016:YZZWGP5CR44GTSQW2KQRHLEXKI

not attested not anchored not stored refs pending

Log-time and Log-space Extreme Classification

Kalina Jasinska, Nikos Karampatziakis

arxiv:1611.01964 v1 · 2016-11-07 · 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{YZZWGP5CR44GTSQW2KQRHLEXKI}

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	2026-05-18T01:00:04.071428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c673633fa28f3869ca16d2a113ac975203b87b1e968680ac9b769af7868a3bad

Aliases

arxiv: 1611.01964 · arxiv_version: 1611.01964v1 · doi: 10.48550/arxiv.1611.01964 · pith_short_12: YZZWGP5CR44G · pith_short_16: YZZWGP5CR44GTSQW · pith_short_8: YZZWGP5C

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/YZZWGP5CR44GTSQW2KQRHLEXKI \
  | 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: c673633fa28f3869ca16d2a113ac975203b87b1e968680ac9b769af7868a3bad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "793cfc5b6c6bcac48e9e035f71de366392fe1dac428f5e048186bf8d740af428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-11-07T10:10:43Z",
    "title_canon_sha256": "9cc63066613d10dbd5a97f8f049ae40b40dc531db7cb30f6cffea0f52ffd87aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01964",
    "kind": "arxiv",
    "version": 1
  }
}