Pith Number

pith:4HFK5F4D

pith:2012:4HFK5F4DNPOCP7LK6MLWAN5LZ4

not attested not anchored not stored refs pending

Learning from Humans as an I-POMDP

Mark P. Woodward, Robert J. Wood

arxiv:1204.0274 v1 · 2012-04-01 · cs.RO · 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{4HFK5F4DNPOCP7LK6MLWAN5LZ4}

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	2026-05-18T03:58:49.746182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1caae97836bdc27fd6af3176037abcf3ec4e000ff09738d7658a894c07d92b0

Aliases

arxiv: 1204.0274 · arxiv_version: 1204.0274v1 · doi: 10.48550/arxiv.1204.0274 · pith_short_12: 4HFK5F4DNPOC · pith_short_16: 4HFK5F4DNPOCP7LK · pith_short_8: 4HFK5F4D

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/4HFK5F4DNPOCP7LK6MLWAN5LZ4 \
  | 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: e1caae97836bdc27fd6af3176037abcf3ec4e000ff09738d7658a894c07d92b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccbddf2b6376c915642ff215a3642d1e1e0b74d1564039ca31c0a8b8bfef4046",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2012-04-01T22:35:00Z",
    "title_canon_sha256": "df9172f6dfbefd1ab154bb69369cdbb791db49abe31d852aa5c7e1956514e60d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0274",
    "kind": "arxiv",
    "version": 1
  }
}