Pith Number

pith:J5S3NOSS

pith:2018:J5S3NOSS3W2LSSNBAWK577BWUF

not attested not anchored not stored refs pending

HOUDINI: Lifelong Learning as Program Synthesis

Akash Srivastava, Charles Sutton, Dipak Chaudhari, Lazar Valkov, Swarat Chaudhuri

arxiv:1804.00218 v2 · 2018-03-31 · cs.LG · cs.PL · 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{J5S3NOSS3W2LSSNBAWK577BWUF}

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	2026-05-18T00:02:12.537572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f65b6ba52ddb4b949a10595dffc36a1728a4431df51e2bbba1438d9764711ef

Aliases

arxiv: 1804.00218 · arxiv_version: 1804.00218v2 · doi: 10.48550/arxiv.1804.00218 · pith_short_12: J5S3NOSS3W2L · pith_short_16: J5S3NOSS3W2LSSNB · pith_short_8: J5S3NOSS

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/J5S3NOSS3W2LSSNBAWK577BWUF \
  | 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: 4f65b6ba52ddb4b949a10595dffc36a1728a4431df51e2bbba1438d9764711ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a50887e0b52e010e79d78ce38c184a7fa7f4ed95982819e5ce97767c8b1a0dee",
    "cross_cats_sorted": [
      "cs.PL",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-03-31T21:34:50Z",
    "title_canon_sha256": "f5f5ef0724d7b7e273b843e5ddc65ba96e3c9f2133628010c234b384a3dbf8ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00218",
    "kind": "arxiv",
    "version": 2
  }
}