Pith Number

pith:3NFLYB27

pith:2026:3NFLYB274WTFVXIEONE6NEFBRD

not attested not anchored not stored refs pending

Assign and Add: A Mechanistic Study of Compositional Arithmetic

Alberto Bietti, Brady Exoo, John Sous

arxiv:2605.31497 v1 · 2026-05-29 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NFLYB274WTFVXIEONE6NEFBRD}

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	2026-06-01T02:04:09.316452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db4abc075fe5a65add047349e690a188ef23bf7aafe07ce0ac5dbc32dc0db405

Aliases

arxiv: 2605.31497 · arxiv_version: 2605.31497v1 · doi: 10.48550/arxiv.2605.31497 · pith_short_12: 3NFLYB274WTF · pith_short_16: 3NFLYB274WTFVXIE · pith_short_8: 3NFLYB27

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/3NFLYB274WTFVXIEONE6NEFBRD \
  | 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: db4abc075fe5a65add047349e690a188ef23bf7aafe07ce0ac5dbc32dc0db405

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f2d30c6dc257e1f5c7ba11a912ab0ad41c217aa4915ea942cc74819c9084085",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-29T16:19:20Z",
    "title_canon_sha256": "4ed0a82a94a06aab3852d3caf3c786d017a7bf558f0ceb35a5bec84909ecf832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.31497",
    "kind": "arxiv",
    "version": 1
  }
}