Pith Number

pith:H26P3Z55

pith:2026:H26P3Z55YU3QIO5FJURO3ABMYW

not attested not anchored not stored refs pending

Persona Cartography: Charting Language Model Personality Traits in Weight Space

Anton Gonzalvez Hawthorne, Cl\'ement Dumas, David Demitri Africa, Irakli Shalibashvili, Konstantinos Voudouris, Luke Baines, Mariia Koroliuk

arxiv:2607.07916 v1 · 2026-07-08 · cs.AI · 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{H26P3Z55YU3QIO5FJURO3ABMYW}

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	2026-07-10T00:19:04.763779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ebcfde7bdc537043ba54d22ed802cc5bddde17d41287f063adda6c4d08366a6

Aliases

arxiv: 2607.07916 · arxiv_version: 2607.07916v1 · doi: 10.48550/arxiv.2607.07916 · pith_short_12: H26P3Z55YU3Q · pith_short_16: H26P3Z55YU3QIO5F · pith_short_8: H26P3Z55

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/H26P3Z55YU3QIO5FJURO3ABMYW \
  | 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: 3ebcfde7bdc537043ba54d22ed802cc5bddde17d41287f063adda6c4d08366a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2c40e81d04b3854560b18d48d0e2dde7fa07c9e13c870c78020b774bf96cdc7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-08T21:00:44Z",
    "title_canon_sha256": "e1ea320ff091151d6f42c137756b32e026ac1fe83dfc7bce099ea3743284e218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07916",
    "kind": "arxiv",
    "version": 1
  }
}