Pith Number

pith:6D2D2BG7

pith:2016:6D2D2BG75TF4YT4GI3R4PXUF77

not attested not anchored not stored refs pending

Ensemble Maximum Entropy Classification and Linear Regression for Author Age Prediction

Chris Mattmann, Joey Hong, Paul Ramirez

arxiv:1610.00852 v1 · 2016-10-04 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6D2D2BG75TF4YT4GI3R4PXUF77}

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	2026-05-17T23:42:49.266223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0f43d04dfeccbcc4f8646e3c7de85ffe73a12894a77b10200fbab7f3b29d52f

Aliases

arxiv: 1610.00852 · arxiv_version: 1610.00852v1 · doi: 10.48550/arxiv.1610.00852 · pith_short_12: 6D2D2BG75TF4 · pith_short_16: 6D2D2BG75TF4YT4G · pith_short_8: 6D2D2BG7

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/6D2D2BG75TF4YT4GI3R4PXUF77 \
  | 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: f0f43d04dfeccbcc4f8646e3c7de85ffe73a12894a77b10200fbab7f3b29d52f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ba90a40eced00ef60676c0a33d540121c27905597d0e3522727e6ddfe322911",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-10-04T06:01:03Z",
    "title_canon_sha256": "d01aecaadbf8ecd119fd8e1b68d8863d61212bf51ad95f0a1093a19e66339867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.00852",
    "kind": "arxiv",
    "version": 1
  }
}