Pith Number

pith:QKQBYMOU

pith:2019:QKQBYMOUA7M26DLOZG5G6BABNY

not attested not anchored not stored refs pending

A block-random algorithm for learning on distributed, heterogeneous data

Marc T. Henry de Frahan, Prakash Mohan, Ray W. Grout, Ryan King

arxiv:1903.00091 v1 · 2019-02-28 · cs.LG · physics.flu-dyn · 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{QKQBYMOUA7M26DLOZG5G6BABNY}

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	2026-05-17T23:52:09.205657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82a01c31d407d9af0d6ec9ba6f04016e318282f15ad96cbc6afbe9429b1cb13d

Aliases

arxiv: 1903.00091 · arxiv_version: 1903.00091v1 · doi: 10.48550/arxiv.1903.00091 · pith_short_12: QKQBYMOUA7M2 · pith_short_16: QKQBYMOUA7M26DLO · pith_short_8: QKQBYMOU

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/QKQBYMOUA7M26DLOZG5G6BABNY \
  | 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: 82a01c31d407d9af0d6ec9ba6f04016e318282f15ad96cbc6afbe9429b1cb13d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7576e54d0ce487ae558f7ba3e450c31808b29e01ed5da6e23032ee9038d107b6",
    "cross_cats_sorted": [
      "physics.flu-dyn",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-28T22:28:37Z",
    "title_canon_sha256": "b795db90e441ae1db80fc73851e02480f0572907e2a0808a49f70f5f59644ed9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00091",
    "kind": "arxiv",
    "version": 1
  }
}