Pith Number

pith:3WADDG5I

pith:2026:3WADDG5IHB54TWQUV4REDNQYEV

not attested not anchored not stored refs pending

How Much Static Structure Do Code Agents Need? A Study of Deterministic Anchoring

Li Li, Mingyi Zhou, Yizhuo Yang, Zhihao Lin

arxiv:2606.26979 v1 · 2026-06-25 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WADDG5IHB54TWQUV4REDNQYEV}

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	2026-06-26T01:16:05.816775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd80319ba8387bc9da14af2241b618255ffc62052f331d1432b0054c947571c6

Aliases

arxiv: 2606.26979 · arxiv_version: 2606.26979v1 · doi: 10.48550/arxiv.2606.26979 · pith_short_12: 3WADDG5IHB54 · pith_short_16: 3WADDG5IHB54TWQU · pith_short_8: 3WADDG5I

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/3WADDG5IHB54TWQUV4REDNQYEV \
  | 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: dd80319ba8387bc9da14af2241b618255ffc62052f331d1432b0054c947571c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab9b709390b245a65a8045f630aa33173b417fb3646cfd08ad838f90706cabc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-25T12:50:01Z",
    "title_canon_sha256": "247af76e4f790bc9768769f377ef25c518206332df2049b6279cbbfc5a306669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26979",
    "kind": "arxiv",
    "version": 1
  }
}