Pith Number

pith:OP4LH2NN

pith:2026:OP4LH2NNKZ3WH3U5HZ4QP4F4GM

not attested not anchored not stored refs pending

Novel Aspects of IEEE SA P3109 Arithmetic Formats for Machine Learning

Andrew Fitzgibbon, Christoph M. Wintersteiger, Jeffrey Sarnoff

arxiv:2606.04028 v1 · 2026-06-01 · 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{OP4LH2NNKZ3WH3U5HZ4QP4F4GM}

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	2026-06-04T00:06:44.830958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f8b3e9ad567763ee9d3e7907f0bc333f85d359a1865ad94044ab136837a819

Aliases

arxiv: 2606.04028 · arxiv_version: 2606.04028v1 · doi: 10.48550/arxiv.2606.04028 · pith_short_12: OP4LH2NNKZ3W · pith_short_16: OP4LH2NNKZ3WH3U5 · pith_short_8: OP4LH2NN

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/OP4LH2NNKZ3WH3U5HZ4QP4F4GM \
  | 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: 73f8b3e9ad567763ee9d3e7907f0bc333f85d359a1865ad94044ab136837a819

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "159c4bec5c63d90ad0f583c84bbe306bcb531049ce0b98d1178502a823d06085",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-01T19:27:39Z",
    "title_canon_sha256": "869951c0dba4f5dacfcb8a4b0cc6e8bfe7b2df7fc09116fd4baf53ed7edef281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04028",
    "kind": "arxiv",
    "version": 1
  }
}