Pith Number

pith:NTUC27UT

pith:2015:NTUC27UTRLFY2HRQMIFIYTYQ22

not attested not anchored not stored refs pending

Information Theory and its Relation to Machine Learning

Bao-Gang Hu

arxiv:1501.04309 v1 · 2015-01-18 · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NTUC27UTRLFY2HRQMIFIYTYQ22}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:29:09.386890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ce82d7e938acb8d1e30620a8c4f10d693381e9bc0b0760881685c678dfac0cd

Aliases

arxiv: 1501.04309 · arxiv_version: 1501.04309v1 · doi: 10.48550/arxiv.1501.04309 · pith_short_12: NTUC27UTRLFY · pith_short_16: NTUC27UTRLFY2HRQ · pith_short_8: NTUC27UT

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/NTUC27UTRLFY2HRQMIFIYTYQ22 \
  | 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: 6ce82d7e938acb8d1e30620a8c4f10d693381e9bc0b0760881685c678dfac0cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2dc57c4cf40172d6c90669722a2b4dc34ade7cf6cac7d5e96473c9d511e525c",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-18T14:57:02Z",
    "title_canon_sha256": "6f4036115459fe24cf9ba93e45dbf99c6570ff9691634fdc2efbe205bb8ea052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04309",
    "kind": "arxiv",
    "version": 1
  }
}