Pith Number

pith:I773SERQ

pith:2015:I773SERQVGZ5BHAKIM6MNMFK6Z

not attested not anchored not stored refs pending

Using PCA to Efficiently Represent State Spaces

Matthew Taylor, Tim Brys, William Curran, William Smart

arxiv:1505.00322 v2 · 2015-05-02 · cs.LG · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I773SERQVGZ5BHAKIM6MNMFK6Z}

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	2026-05-18T01:58:26.679377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ffb91230a9b3d09c0a433cc6b0aaf67b959dbe1dfea5103163f867efa2f1e8

Aliases

arxiv: 1505.00322 · arxiv_version: 1505.00322v2 · doi: 10.48550/arxiv.1505.00322 · pith_short_12: I773SERQVGZ5 · pith_short_16: I773SERQVGZ5BHAK · pith_short_8: I773SERQ

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/I773SERQVGZ5BHAKIM6MNMFK6Z \
  | 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: 47ffb91230a9b3d09c0a433cc6b0aaf67b959dbe1dfea5103163f867efa2f1e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c3a2e18376af166c2e7c36ceae2e3aa2248e3c983a5bc4a999503b7c6c4cb55",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-05-02T08:29:09Z",
    "title_canon_sha256": "98c1b48693c5970e6a1c488448e261a70aba5208f9664c26fd2198e98dfa2ae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00322",
    "kind": "arxiv",
    "version": 2
  }
}