Pith Number

pith:IDP5UPPK

pith:2015:IDP5UPPKXDZITZNN4UXILHGAWU

not attested not anchored not stored refs pending

Bidirectional Helmholtz Machines

Asja Fischer, Jorg Bornschein, Samira Shabanian, Yoshua Bengio

arxiv:1506.03877 v5 · 2015-06-12 · cs.LG · 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{IDP5UPPKXDZITZNN4UXILHGAWU}

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	2026-05-18T01:13:44.822970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40dfda3deab8f289e5ade52e859cc0b51099e6d9345c45e560c24ff0267d70d7

Aliases

arxiv: 1506.03877 · arxiv_version: 1506.03877v5 · doi: 10.48550/arxiv.1506.03877 · pith_short_12: IDP5UPPKXDZI · pith_short_16: IDP5UPPKXDZITZNN · pith_short_8: IDP5UPPK

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/IDP5UPPKXDZITZNN4UXILHGAWU \
  | 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: 40dfda3deab8f289e5ade52e859cc0b51099e6d9345c45e560c24ff0267d70d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59be68a64e05cf7110f9de339193c9206ce87b6f058df75c060626b3d1dc22e5",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-06-12T00:08:20Z",
    "title_canon_sha256": "a50e483d60ed5477fb6f81f87b2df68a90e63d1481d07db229820eec7bd15201"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03877",
    "kind": "arxiv",
    "version": 5
  }
}