Pith Number

pith:2S3DN5VR

pith:2026:2S3DN5VRH5TBK6VVTI4B3ZZECT

not attested not anchored not stored refs pending

Model Discovery Agent: LLM-assisted Bayesian experiment design for data-efficient discovery of mechanistic world models

Kevin Murphy

arxiv:2608.09696 v1 · 2026-08-10 · 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{2S3DN5VRH5TBK6VVTI4B3ZZECT}

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	2026-08-11T02:24:49.824133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4b636f6b13f66157ab59a381de72414df08af5a587210f2097dd8ddafe3340c

Aliases

arxiv: 2608.09696 · arxiv_version: 2608.09696v1 · doi: 10.48550/arxiv.2608.09696 · pith_short_12: 2S3DN5VRH5TB · pith_short_16: 2S3DN5VRH5TBK6VV · pith_short_8: 2S3DN5VR

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/2S3DN5VRH5TBK6VVTI4B3ZZECT \
  | 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: d4b636f6b13f66157ab59a381de72414df08af5a587210f2097dd8ddafe3340c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb596f0546faab1bb42aad97439acc8dcf0a4d2027f47c3d6bf14d0d814799c4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-10T14:59:22Z",
    "title_canon_sha256": "5d289b3bd6d966633760d1631d776deffedf7fccb0e47de135689effc2740a99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09696",
    "kind": "arxiv",
    "version": 1
  }
}