Pith Number

pith:N7G2QCY5

pith:2026:N7G2QCY53CAH3VWWYMWNRGSMU5

not attested not anchored not stored refs pending

Penelope: Localized Latent Recurrence for Efficient Structured Reasoning

Haochen Wang, Jiaying Wang, Shouqian Shi, Tianxing Xu, Xinran Liu, Yuanxi Wang, Yutong Chen, Zirui Ding

arxiv:2607.25915 v1 · 2026-07-28 · 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{N7G2QCY53CAH3VWWYMWNRGSMU5}

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	2026-07-29T01:26:10.933031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fcda80b1dd8807dd6d6c32cd89a4ca75d01d6893692a15a03d6172a0ec59891

Aliases

arxiv: 2607.25915 · arxiv_version: 2607.25915v1 · doi: 10.48550/arxiv.2607.25915 · pith_short_12: N7G2QCY53CAH · pith_short_16: N7G2QCY53CAH3VWW · pith_short_8: N7G2QCY5

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/N7G2QCY53CAH3VWWYMWNRGSMU5 \
  | 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: 6fcda80b1dd8807dd6d6c32cd89a4ca75d01d6893692a15a03d6172a0ec59891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdcd9a962a7afc5841563869a5233a50bcfaf69fdeb66fb138781fa01e1ccf4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-28T16:06:46Z",
    "title_canon_sha256": "5e5de4a35674d79765a31b47bcf9581b5d1c4b12c44382bfc69035460186f732"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25915",
    "kind": "arxiv",
    "version": 1
  }
}