Pith Number

pith:FNY32S2U

pith:2018:FNY32S2UF2WWXD6RZE4XC2OCON

not attested not anchored not stored refs pending

Autostacker: A Compositional Evolutionary Learning System

Boyuan Chen, Harvey Wu, Hod Lipson, Ishanu Chattopadhyay, Warren Mo

arxiv:1803.00684 v1 · 2018-03-02 · cs.LG · cs.NE · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNY32S2UF2WWXD6RZE4XC2OCON}

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	2026-05-18T00:22:08.170047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b71bd4b542ead6b8fd1c9397169c273700e9555ab0022f94aa1a90722da6be2

Aliases

arxiv: 1803.00684 · arxiv_version: 1803.00684v1 · doi: 10.48550/arxiv.1803.00684 · pith_short_12: FNY32S2UF2WW · pith_short_16: FNY32S2UF2WWXD6R · pith_short_8: FNY32S2U

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/FNY32S2UF2WWXD6RZE4XC2OCON \
  | 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: 2b71bd4b542ead6b8fd1c9397169c273700e9555ab0022f94aa1a90722da6be2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba227b491b48d723b94bb790a5e5332a50396eeb3676bd547050d90054506052",
    "cross_cats_sorted": [
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-03-02T02:02:38Z",
    "title_canon_sha256": "bbcf5caf53537b358606d2625369b97504f605c3889036857350b2bd914aec9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00684",
    "kind": "arxiv",
    "version": 1
  }
}