Pith Number

pith:CMXX5V7O

pith:2026:CMXX5V7OEHTLOFPE5Z54JN5TSL

not attested not anchored not stored refs pending

Learning Where It Matters: Geometric Anchoring for Robust Preference Alignment

Ji-Hoon Kim, Jongsuk Kim, Youngjae Cho

arxiv:2602.04909 v3 · 2026-02-04 · 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{CMXX5V7OEHTLOFPE5Z54JN5TSL}

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	2026-05-20T00:00:33.564166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

132f7ed7ee21e6b715e4ee7bc4b7b392fb81b8e4246142d798392668faa38136

Aliases

arxiv: 2602.04909 · arxiv_version: 2602.04909v3 · doi: 10.48550/arxiv.2602.04909 · pith_short_12: CMXX5V7OEHTL · pith_short_16: CMXX5V7OEHTLOFPE · pith_short_8: CMXX5V7O

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/CMXX5V7OEHTLOFPE5Z54JN5TSL \
  | 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: 132f7ed7ee21e6b715e4ee7bc4b7b392fb81b8e4246142d798392668faa38136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eee7e5151eee0f7e9467f8b825a826140da8b6e8fdc85b55ddcffe54293d1116",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-04T00:40:21Z",
    "title_canon_sha256": "1d3d8c46518355407869ab680b699240b9c0e9ae4dc866d41110643b2e5ed435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.04909",
    "kind": "arxiv",
    "version": 3
  }
}