Pith Number

pith:4VDB77Q2

pith:2018:4VDB77Q27X3DGGNMNIT55VVJ75

not attested not anchored not stored refs pending

Autonomous discovery of the goal space to learn a parameterized skill

Emilio Cartoni, Gianluca Baldassarre

arxiv:1805.07547 v1 · 2018-05-19 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VDB77Q27X3DGGNMNIT55VVJ75}

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	2026-05-18T00:15:33.315755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5461ffe1afdf63319ac6a27ded6a9ff519cba264eb71d462df6ee9b6e2ef053

Aliases

arxiv: 1805.07547 · arxiv_version: 1805.07547v1 · doi: 10.48550/arxiv.1805.07547 · pith_short_12: 4VDB77Q27X3D · pith_short_16: 4VDB77Q27X3DGGNM · pith_short_8: 4VDB77Q2

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/4VDB77Q27X3DGGNMNIT55VVJ75 \
  | 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: e5461ffe1afdf63319ac6a27ded6a9ff519cba264eb71d462df6ee9b6e2ef053

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0f8b22b760da3a5784c31006fa95d90013479dfc8c99246133c5c9cf83e67ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-05-19T08:18:39Z",
    "title_canon_sha256": "3ad85af2bf07da2b832463b8c50121051c07cb81846ca4d22f93d83bd9745505"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07547",
    "kind": "arxiv",
    "version": 1
  }
}