Pith Number

pith:2LWTHTA5

pith:2026:2LWTHTA5IA64RLEEMQVZEV4NQG

not attested not anchored not stored refs pending

Systematic Design of Separation Logics

Lorenzo Gazzella, Roberta Gori, Roberto Bruni

arxiv:2605.21262 v1 · 2026-05-20 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2LWTHTA5IA64RLEEMQVZEV4NQG}

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	2026-05-21T02:05:25.554256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2ed33cc1d403dc8ac84642b92578d81bc7d799f2e0d2a2acf53f81a53f19f20

Aliases

arxiv: 2605.21262 · arxiv_version: 2605.21262v1 · doi: 10.48550/arxiv.2605.21262 · pith_short_12: 2LWTHTA5IA64 · pith_short_16: 2LWTHTA5IA64RLEE · pith_short_8: 2LWTHTA5

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/2LWTHTA5IA64RLEEMQVZEV4NQG \
  | 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: d2ed33cc1d403dc8ac84642b92578d81bc7d799f2e0d2a2acf53f81a53f19f20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "531141d6377a44735ccacdb92db324749aa95cc016119e6e8fac4a7adf5daa58",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-05-20T14:52:03Z",
    "title_canon_sha256": "88f8e64ffdbf663fc9cab3927834e3ee98aa8f5cb4205d4eec5c2c6852c872e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21262",
    "kind": "arxiv",
    "version": 1
  }
}