Pith Number

pith:7DZ25XSE

pith:2026:7DZ25XSEKQ4GNQUL546AX2LTO7

not attested not anchored not stored refs pending

Positional versus Symbolic Attention Heads: Learning Dynamics, RoPE Geometry, and Length Generalization

Cinthia Sanchez Macias, Cristian B. Calderon, Cristobal Rojas, Felipe Urrutia, Jorge Salas, Juan Jos\'e Alegr\'ia

arxiv:2605.31558 v1 · 2026-05-29 · cs.LG · 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{7DZ25XSEKQ4GNQUL546AX2LTO7}

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	2026-06-01T02:04:12.559040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8f3aede44543866c28bef3c0be97377ebdc316746c6431a2b44f63a4a168b3a

Aliases

arxiv: 2605.31558 · arxiv_version: 2605.31558v1 · doi: 10.48550/arxiv.2605.31558 · pith_short_12: 7DZ25XSEKQ4G · pith_short_16: 7DZ25XSEKQ4GNQUL · pith_short_8: 7DZ25XSE

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/7DZ25XSEKQ4GNQUL546AX2LTO7 \
  | 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: f8f3aede44543866c28bef3c0be97377ebdc316746c6431a2b44f63a4a168b3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "893270a338f47f1e4b1642f4d3fe5f2451301f8298b7128f0ee39876d013b739",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-29T17:22:04Z",
    "title_canon_sha256": "1b5776a82651bd39bd8923c1f48d96c92fdc2f7caa6329ab6b2cf5c124e0a598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.31558",
    "kind": "arxiv",
    "version": 1
  }
}