Pith Number

pith:HJGTEQFL

pith:2018:HJGTEQFLMR6QFPUYO2CYPB65UU

not attested not anchored not stored refs pending

Computable Variants of AIXI which are More Powerful than AIXItl

Susumu Katayama

arxiv:1805.08592 v3 · 2018-05-22 · 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{HJGTEQFLMR6QFPUYO2CYPB65UU}

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	2026-05-17T23:55:34.441853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a4d3240ab647d02be9876858787dda5232910567076c92db2f3211ae12db31c

Aliases

arxiv: 1805.08592 · arxiv_version: 1805.08592v3 · doi: 10.48550/arxiv.1805.08592 · pith_short_12: HJGTEQFLMR6Q · pith_short_16: HJGTEQFLMR6QFPUY · pith_short_8: HJGTEQFL

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/HJGTEQFLMR6QFPUYO2CYPB65UU \
  | 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: 3a4d3240ab647d02be9876858787dda5232910567076c92db2f3211ae12db31c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b753a1db1e6991026d6eb8fbd63ddbe58d78739faefe140fc74375554a3d58e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-05-22T14:09:49Z",
    "title_canon_sha256": "3a350577b973437155439966d8edfd8aee2df1f5eacb96df8e41a28314162ef9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08592",
    "kind": "arxiv",
    "version": 3
  }
}