Pith Number

pith:ZBMJI5G4

pith:2019:ZBMJI5G4BJ7HWW575YLUGGX6OK

not attested not anchored not stored refs pending

Service Equivalence via Multiparty Session Type Isomorphisms

Assel Altayeva (Imperial College London), Nobuko Yoshida (Imperial College London)

arxiv:1904.01283 v1 · 2019-04-02 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZBMJI5G4BJ7HWW575YLUGGX6OK}

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	2026-05-17T23:49:35.270039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8589474dc0a7e7b5bbfee17431afe72a213a7105906e1ac8431678fd217f942

Aliases

arxiv: 1904.01283 · arxiv_version: 1904.01283v1 · doi: 10.48550/arxiv.1904.01283 · pith_short_12: ZBMJI5G4BJ7H · pith_short_16: ZBMJI5G4BJ7HWW57 · pith_short_8: ZBMJI5G4

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/ZBMJI5G4BJ7HWW575YLUGGX6OK \
  | 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: c8589474dc0a7e7b5bbfee17431afe72a213a7105906e1ac8431678fd217f942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d53ec001834f6768526a39dd62de1ce756c3e9aafb1688f4c7583eb832f76c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-04-02T08:43:51Z",
    "title_canon_sha256": "9233eff1ba32578a0589aee99edd5c905bae1d8c3c563269fa063f9d19607bef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01283",
    "kind": "arxiv",
    "version": 1
  }
}