Pith Number

pith:WKEST2CJ

pith:2018:WKEST2CJXJRNPM4ZIBWDFBGOJD

not attested not anchored not stored refs pending

Towards learning-to-learn

Benjamin James Lansdell, Konrad Paul Kording

arxiv:1811.00231 v3 · 2018-11-01 · q-bio.NC · 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{WKEST2CJXJRNPM4ZIBWDFBGOJD}

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	2026-05-17T23:56:40.824083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b28929e849ba62d7b399406c3284ce48d0787af92d65e7781ed775539b738955

Aliases

arxiv: 1811.00231 · arxiv_version: 1811.00231v3 · doi: 10.48550/arxiv.1811.00231 · pith_short_12: WKEST2CJXJRN · pith_short_16: WKEST2CJXJRNPM4Z · pith_short_8: WKEST2CJ

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/WKEST2CJXJRNPM4ZIBWDFBGOJD \
  | 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: b28929e849ba62d7b399406c3284ce48d0787af92d65e7781ed775539b738955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e18b4515dac68f62a46c6b36fc4b1af61d6ac4b58a9b1d5cab4e9b6b1ca4c7b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-11-01T05:07:49Z",
    "title_canon_sha256": "ee7eb461f40838f9aa58f5a82374276708632ce707091099af6694383984c580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00231",
    "kind": "arxiv",
    "version": 3
  }
}