Pith Number

pith:PRHGNACL

pith:2026:PRHGNACLKIITBUVRK76W3AJZVX

not attested not anchored not stored refs pending

Constitutional Midtraining: Content Presence Drives Alignment Gains

Bernie Hogan, Cameron Tice, Desiree Cho, Hunar Batra, Jun Zhao, Nigel Shadbolt, Puria Radmard

arxiv:2607.26654 v1 · 2026-07-29 · cs.CL · cs.AI · cs.CY · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRHGNACLKIITBUVRK76W3AJZVX}

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	2026-07-30T01:21:50.903647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

7c4e66804b521130d2b157fd6d8139adf1af2831d2f44122738bda06ea4a35aa

Aliases

arxiv: 2607.26654 · arxiv_version: 2607.26654v1 · doi: 10.48550/arxiv.2607.26654 · pith_short_12: PRHGNACLKIIT · pith_short_16: PRHGNACLKIITBUVR · pith_short_8: PRHGNACL

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/PRHGNACLKIITBUVRK76W3AJZVX \
  | 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: 7c4e66804b521130d2b157fd6d8139adf1af2831d2f44122738bda06ea4a35aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a1501522a0ccc64775e4ad047ca2dde210ab1395408d57086afc17293988ebd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-29T09:15:40Z",
    "title_canon_sha256": "cee9b8f774c48aabef104a0f6a51e7d129d83b9d54d52346422a0aee7ed25fb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26654",
    "kind": "arxiv",
    "version": 1
  }
}