Pith Number

pith:YTY66VZU

pith:2021:YTY66VZU2V3J3JZ5AQKTMH6VPO

not attested not anchored not stored refs pending

Technology Readiness Levels for Machine Learning Systems

Adam Gibson, Alessya Visnjic, Alexander Lavin, Amit Sharma, At{\i}l{\i}m G\"une\c{s} Baydin, Chris Mattmann, Ciar\'an M. Gilligan-Lee, Danny Lange, Dava Newman, Eric P. Xing, James Parr, Siddha Ganju, Stephan Zheng, Sujoy Ganguly, Yarin Gal

arxiv:2101.03989 v2 · 2021-01-11 · cs.LG · cs.AI · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTY66VZU2V3J3JZ5AQKTMH6VPO}

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	2026-07-05T05:31:41.690233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f1ef5734d5769da73d0415361fd57ba971ab13fe0fb6f2192976f49ab71f8a

Aliases

arxiv: 2101.03989 · arxiv_version: 2101.03989v2 · doi: 10.48550/arxiv.2101.03989 · pith_short_12: YTY66VZU2V3J · pith_short_16: YTY66VZU2V3J3JZ5 · pith_short_8: YTY66VZU

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/YTY66VZU2V3J3JZ5AQKTMH6VPO \
  | 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: c4f1ef5734d5769da73d0415361fd57ba971ab13fe0fb6f2192976f49ab71f8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0ee228230f3d537d250c3c2a8ed269ee34b0e9bb034bd76f24df868d958efe1",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-11T15:54:48Z",
    "title_canon_sha256": "d9754aa0562381e74fb4e307fc1c5743eb63ee6b92f05ed68e1549505c0527fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.03989",
    "kind": "arxiv",
    "version": 2
  }
}