Pith Number

pith:LI7OAI2D

pith:2026:LI7OAI2D5WKVTFNT7O2INB2HU3

not attested not anchored not stored refs pending

Formal Semantics for Agentic Tool Protocols: A Process Calculus Approach

Andreas Schlapbach

arxiv:2603.24747 v2 · 2026-03-25 · cs.AI · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LI7OAI2D5WKVTFNT7O2INB2HU3}

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	2026-06-04T01:09:48.995000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a3ee02343ed955995b3fbb4868747a6df663c920fc32617f3512570656f405a

Aliases

arxiv: 2603.24747 · arxiv_version: 2603.24747v2 · doi: 10.48550/arxiv.2603.24747 · pith_short_12: LI7OAI2D5WKV · pith_short_16: LI7OAI2D5WKVTFNT · pith_short_8: LI7OAI2D

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/LI7OAI2D5WKVTFNT7O2INB2HU3 \
  | 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: 5a3ee02343ed955995b3fbb4868747a6df663c920fc32617f3512570656f405a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b73f17fd262cf21e60ad45e32107dbaa912ad3d3ee26f539429c00e92ce095bd",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-03-25T19:18:27Z",
    "title_canon_sha256": "5871afb8a501a94ece8f6717eae3277048758901eb4fe4ea9a68b50a19c834bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.24747",
    "kind": "arxiv",
    "version": 2
  }
}