Pith Number

pith:H4RKABVB

pith:2026:H4RKABVBPKFUXC76IIUULWAHG3

not attested not anchored not stored refs pending

How Do Developers Maintain and Evolve Their Agents' Instructions? An Empirical Study

Alfonso Cannavale, Andrea De Lucia, Fabio Palomba, Gemma Catolino, Gianmario Voria, Yutaro Kashiwa

arxiv:2606.25257 v1 · 2026-06-24 · 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{H4RKABVBPKFUXC76IIUULWAHG3}

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	2026-06-25T00:18:22.324667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f22a006a17a8b4b8bfe422945d80736c803f042d3ed1223edd5ab122287d6d7

Aliases

arxiv: 2606.25257 · arxiv_version: 2606.25257v1 · doi: 10.48550/arxiv.2606.25257 · pith_short_12: H4RKABVBPKFU · pith_short_16: H4RKABVBPKFUXC76 · pith_short_8: H4RKABVB

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/H4RKABVBPKFUXC76IIUULWAHG3 \
  | 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: 3f22a006a17a8b4b8bfe422945d80736c803f042d3ed1223edd5ab122287d6d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d32c60732317dbafe810f54a0f808f0701140768aa303a99a2f2fbfd61aee3a7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-24T00:32:18Z",
    "title_canon_sha256": "ae52a3d1cab281164c365ceb435f569321e2d1951fc855deff924178be999377"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25257",
    "kind": "arxiv",
    "version": 1
  }
}