Pith Number

pith:EHRKH36Z

pith:2019:EHRKH36ZCIKJPD3VMWABH3FBCY

not attested not anchored not stored refs pending

Comparing Process Calculi Using Encodings

Kirstin Peters (TU Berlin/TU Darmstadt)

arxiv:1908.08633 v1 · 2019-08-23 · 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{EHRKH36ZCIKJPD3VMWABH3FBCY}

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	2026-07-04T23:59:16.322439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21e2a3efd91214978f75658013eca116102af3cda7c514944dfd63e2d295e611

Aliases

arxiv: 1908.08633 · arxiv_version: 1908.08633v1 · doi: 10.48550/arxiv.1908.08633 · pith_short_12: EHRKH36ZCIKJ · pith_short_16: EHRKH36ZCIKJPD3V · pith_short_8: EHRKH36Z

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/EHRKH36ZCIKJPD3VMWABH3FBCY \
  | 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: 21e2a3efd91214978f75658013eca116102af3cda7c514944dfd63e2d295e611

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0d1a60ae0fce9145648729467301ce0ca8d9673b3994731d82bf0f6046d9dad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-23T01:54:49Z",
    "title_canon_sha256": "7bac0537f79a32dd9f3205dff8d05d86cc0ceef6515662c006174bf3c2176542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08633",
    "kind": "arxiv",
    "version": 1
  }
}