Pith Number

pith:PBSDI6SB

pith:2019:PBSDI6SBVLX6WLEAULG2Z35NCL

not attested not anchored not stored refs pending

The Natural Selection of Words: Finding the Features of Fitness

Peter D. Turney, Saif M. Mohammad

arxiv:1908.07013 v1 · 2019-08-19 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBSDI6SBVLX6WLEAULG2Z35NCL}

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	2026-07-04T23:58:30.020665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7864347a41aaefeb2c80a2cdacefad12ed9db0677e194536b8fcd6296406fa9d

Aliases

arxiv: 1908.07013 · arxiv_version: 1908.07013v1 · doi: 10.48550/arxiv.1908.07013 · pith_short_12: PBSDI6SBVLX6 · pith_short_16: PBSDI6SBVLX6WLEA · pith_short_8: PBSDI6SB

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/PBSDI6SBVLX6WLEAULG2Z35NCL \
  | 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: 7864347a41aaefeb2c80a2cdacefad12ed9db0677e194536b8fcd6296406fa9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2a31d4f693edea4a8fccdcf5c3be3ba48492d726222a7fd55158d968a46ad91",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-19T18:28:59Z",
    "title_canon_sha256": "c4156fc2e5aebdff7ee57e1c74c3536294eb6e1f4897546df0a630379f04be03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07013",
    "kind": "arxiv",
    "version": 1
  }
}