Pith Number

pith:73SYXHUJ

pith:2018:73SYXHUJ72G5DGN2RHEVK3U6NQ

not attested not anchored not stored refs pending

On the Information Theoretic Distance Measures and Bidirectional Helmholtz Machines

Mahdi Azarafrooz, Sepehr Akhavan-Masouleh, Xuan Zhao

arxiv:1807.06054 v1 · 2018-07-16 · cs.LG · cs.IT · math.IT · 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{73SYXHUJ72G5DGN2RHEVK3U6NQ}

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	2026-05-18T00:10:34.226283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fee58b9e89fe8dd199ba89c9556e9e6c1314679bfb7a2604cd505598c7ebb9bb

Aliases

arxiv: 1807.06054 · arxiv_version: 1807.06054v1 · doi: 10.48550/arxiv.1807.06054 · pith_short_12: 73SYXHUJ72G5 · pith_short_16: 73SYXHUJ72G5DGN2 · pith_short_8: 73SYXHUJ

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/73SYXHUJ72G5DGN2RHEVK3U6NQ \
  | 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: fee58b9e89fe8dd199ba89c9556e9e6c1314679bfb7a2604cd505598c7ebb9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84fd084a04fe4df5356a4abbef23d89f6480343b82ff6feae24742bdcb50673",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-16T18:41:16Z",
    "title_canon_sha256": "849877dbd10703ff6e1f0e64d9bc51fcd6f20c2d9955943b04d68d0e2ba66d49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06054",
    "kind": "arxiv",
    "version": 1
  }
}