Pith Number

pith:YXIURD3Z

pith:2017:YXIURD3ZSERNHXYBQJFPLXMXYW

not attested not anchored not stored refs pending

Learning in the Machine: the Symmetries of the Deep Learning Channel

Peter Sadowski, Pierre Baldi, Zhiqin Lu

arxiv:1712.08608 v1 · 2017-12-22 · cs.NE · cs.LG

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

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	2026-05-18T00:27:22.996006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5d1488f799122d3df01824af5dd97c59c1a88804d5626706c995af62fdb375a

Aliases

arxiv: 1712.08608 · arxiv_version: 1712.08608v1 · doi: 10.48550/arxiv.1712.08608 · pith_short_12: YXIURD3ZSERN · pith_short_16: YXIURD3ZSERNHXYB · pith_short_8: YXIURD3Z

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/YXIURD3ZSERNHXYBQJFPLXMXYW \
  | 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: c5d1488f799122d3df01824af5dd97c59c1a88804d5626706c995af62fdb375a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93b72c8ebeec0c4148dd271b3cf7dc3b0e03f527c868ea64857364dfc78e6222",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2017-12-22T18:43:58Z",
    "title_canon_sha256": "da8dbea5400389295b42a7ee5dce73127e5eb5d95b4790cc9836abfb6c88c851"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08608",
    "kind": "arxiv",
    "version": 1
  }
}