Pith Number

pith:Z73VUA34

pith:2025:Z73VUA34S3WHQJWIEW6NNFSGLP

not attested not anchored not stored refs pending

TreeGPT: Pure TreeFFN Encoder-Decoder Architecture for Structured Reasoning Without Attention Mechanisms

Zixi Li

arxiv:2509.05550 v2 · 2025-09-06 · 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{Z73VUA34S3WHQJWIEW6NNFSGLP}

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	2026-07-05T12:09:24.047833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cff75a037c96ec7826c825bcd696465bf69bb51bdd1b619aa555112dfc9c55b4

Aliases

arxiv: 2509.05550 · arxiv_version: 2509.05550v2 · doi: 10.48550/arxiv.2509.05550 · pith_short_12: Z73VUA34S3WH · pith_short_16: Z73VUA34S3WHQJWI · pith_short_8: Z73VUA34

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/Z73VUA34S3WHQJWIEW6NNFSGLP \
  | 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: cff75a037c96ec7826c825bcd696465bf69bb51bdd1b619aa555112dfc9c55b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ec0b5c0e1eef9a600e9cfdcd70bcdd362267748dec31801efd0d15dc44d876",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-09-06T00:39:33Z",
    "title_canon_sha256": "eef3a12f6889715eddd415ebdc0eaa4004a00eec98a4d4652dfdd63b1427b43c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05550",
    "kind": "arxiv",
    "version": 2
  }
}