Pith Number

pith:QOHEY3OG

pith:2019:QOHEY3OGYFJQCYQJMVD3LVBFYE

not attested not anchored not stored refs pending

Learning Direct and Inverse Transmission Matrices

Daniele Ancora, Luca Leuzzi

arxiv:1901.04816 v2 · 2019-01-15 · stat.ML · cs.LG · physics.comp-ph · physics.optics · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOHEY3OGYFJQCYQJMVD3LVBFYE}

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	2026-05-17T23:54:53.162453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838e4c6dc6c1530162096547b5d425c112490f9115b816e1bbc494dbc96e7581

Aliases

arxiv: 1901.04816 · arxiv_version: 1901.04816v2 · doi: 10.48550/arxiv.1901.04816 · pith_short_12: QOHEY3OGYFJQ · pith_short_16: QOHEY3OGYFJQCYQJ · pith_short_8: QOHEY3OG

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/QOHEY3OGYFJQCYQJMVD3LVBFYE \
  | 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: 838e4c6dc6c1530162096547b5d425c112490f9115b816e1bbc494dbc96e7581

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f417f2791e045ded3841d4aa922f01c317c9277a8ebedb7029b5afbccfcd7944",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.comp-ph",
      "physics.optics",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-01-15T13:37:24Z",
    "title_canon_sha256": "671aba886c9549960dfee403e1a759a0fc7b10fce2133e7099dba947e01ac465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04816",
    "kind": "arxiv",
    "version": 2
  }
}