Pith Number

pith:O3FXX6XS

pith:2018:O3FXX6XSSCDDQW26M4B62YH2AQ

not attested not anchored not stored refs pending

An Implementation of Back-Propagation Learning on GF11, a Large SIMD Parallel Computer

Marco Zagha, Michael Witbrock

arxiv:1801.01554 v1 · 2018-01-04 · cs.LG · cs.DC · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3FXX6XSSCDDQW26M4B62YH2AQ}

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	2026-05-18T00:26:41.842309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76cb7bfaf29086385b5e6703ed60fa04348c66a08175d7baf07aded7ba613ddf

Aliases

arxiv: 1801.01554 · arxiv_version: 1801.01554v1 · doi: 10.48550/arxiv.1801.01554 · pith_short_12: O3FXX6XSSCDD · pith_short_16: O3FXX6XSSCDDQW26 · pith_short_8: O3FXX6XS

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/O3FXX6XSSCDDQW26M4B62YH2AQ \
  | 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: 76cb7bfaf29086385b5e6703ed60fa04348c66a08175d7baf07aded7ba613ddf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7489e3d23f2d872441c3a7a9c289d3f4be1a47ae18256c9faa61fb47553b925f",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-01-04T21:52:28Z",
    "title_canon_sha256": "e9c8d31d121205336ebf1e6b45d376e7d8ce7f8fd018abb3cf57351d0d453f42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01554",
    "kind": "arxiv",
    "version": 1
  }
}