Pith Number

pith:E2GGKWHG

pith:2019:E2GGKWHG4KM2BXBB3UMGXGKF63

not attested not anchored not stored refs pending

Learning Algebraic Structures: Preliminary Investigations

Minhyong Kim, Yang-Hui He

arxiv:1905.02263 v1 · 2019-05-02 · cs.LG · hep-th · math.GR · math.RA · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2GGKWHG4KM2BXBB3UMGXGKF63}

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	2026-05-17T23:45:57.675632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

268c6558e6e299a0dc21dd186b9945f6df15c42ac54dce324fbcbeaa56fc53eb

Aliases

arxiv: 1905.02263 · arxiv_version: 1905.02263v1 · doi: 10.48550/arxiv.1905.02263 · pith_short_12: E2GGKWHG4KM2 · pith_short_16: E2GGKWHG4KM2BXBB · pith_short_8: E2GGKWHG

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/E2GGKWHG4KM2BXBB3UMGXGKF63 \
  | 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: 268c6558e6e299a0dc21dd186b9945f6df15c42ac54dce324fbcbeaa56fc53eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca3f0f71ff33ffaf8946013c3519cdc68f7a0f65e4c3b3f64183859f86f02397",
    "cross_cats_sorted": [
      "hep-th",
      "math.GR",
      "math.RA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-02T19:09:00Z",
    "title_canon_sha256": "2e5e744d78fbb51add0dae941003bfcb93a6f06612e7c0fa80e313abd2a7fee8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02263",
    "kind": "arxiv",
    "version": 1
  }
}