Pith Number

pith:AXQVP5GP

pith:2012:AXQVP5GPAY4EHSF2PNNBDHG7HA

not attested not anchored not stored refs pending

Representation Policy Iteration

Sridhar Mahadevan

arxiv:1207.1408 v1 · 2012-07-04 · 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{AXQVP5GPAY4EHSF2PNNBDHG7HA}

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	2026-05-18T03:51:37.224193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05e157f4cf063843c8ba7b5a119cdf382839658ce7d7032c6fc3041ac6d37b69

Aliases

arxiv: 1207.1408 · arxiv_version: 1207.1408v1 · doi: 10.48550/arxiv.1207.1408 · pith_short_12: AXQVP5GPAY4E · pith_short_16: AXQVP5GPAY4EHSF2 · pith_short_8: AXQVP5GP

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/AXQVP5GPAY4EHSF2PNNBDHG7HA \
  | 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: 05e157f4cf063843c8ba7b5a119cdf382839658ce7d7032c6fc3041ac6d37b69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69411023739bacf460cd848da2280c2ad0bf561db0b21688823de9f20a6f7173",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-07-04T16:21:20Z",
    "title_canon_sha256": "a2a5c1b4b768d463bd3ec1c0a55077d3ced2795cc3a2352c6492f9e810aa356e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1408",
    "kind": "arxiv",
    "version": 1
  }
}