Pith Number

pith:SCPERKI3

pith:2026:SCPERKI3BZWUK4DDAOUGTWC7IH

not attested not anchored not stored refs pending

Sophisticated Policies from Epistemic Priors

Bert de Vries, Wouter W. L. Nuijten

arxiv:2607.19518 v1 · 2026-07-21 · 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{SCPERKI3BZWUK4DDAOUGTWC7IH}

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	2026-07-23T00:23:54.660286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909e48a91b0e6d45706303a869d85f41f27ee0cdde5068e9671607f585691822

Aliases

arxiv: 2607.19518 · arxiv_version: 2607.19518v1 · doi: 10.48550/arxiv.2607.19518 · pith_short_12: SCPERKI3BZWU · pith_short_16: SCPERKI3BZWUK4DD · pith_short_8: SCPERKI3

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/SCPERKI3BZWUK4DDAOUGTWC7IH \
  | 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: 909e48a91b0e6d45706303a869d85f41f27ee0cdde5068e9671607f585691822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "649155d96e4c3d9c34634cb6da04b3257e928f9ec085c7b96e64f5afc018d97f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-21T19:05:52Z",
    "title_canon_sha256": "f482a8ad4dd991d7121ce47c3614beecf14120f69b2d78d250a3a1869e3937e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19518",
    "kind": "arxiv",
    "version": 1
  }
}