Pith Number

pith:3DQMXVZB

pith:2012:3DQMXVZBVRUELOHVC7L5A3OOJR

not attested not anchored not stored refs pending

Sparse Reward Processes

Christos Dimitrakakis

arxiv:1201.2555 v2 · 2012-01-12 · cs.LG · 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{3DQMXVZBVRUELOHVC7L5A3OOJR}

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	2026-05-18T03:46:16.738467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8e0cbd721ac6845b8f517d7d06dce4c776d51b7fbcdc74e222b7f68ed40d2f3

Aliases

arxiv: 1201.2555 · arxiv_version: 1201.2555v2 · doi: 10.48550/arxiv.1201.2555 · pith_short_12: 3DQMXVZBVRUE · pith_short_16: 3DQMXVZBVRUELOHV · pith_short_8: 3DQMXVZB

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/3DQMXVZBVRUELOHVC7L5A3OOJR \
  | 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: d8e0cbd721ac6845b8f517d7d06dce4c776d51b7fbcdc74e222b7f68ed40d2f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df9df80fcd1e3572d062c232825d4c5dcfac8fbe334fba9f0a81657a2701bf5",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-01-12T13:08:27Z",
    "title_canon_sha256": "3995dcd632ed898acdf029fc018b1f91add57e0a3256fc06799d3032e3f870b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2555",
    "kind": "arxiv",
    "version": 2
  }
}