Pith Number

pith:HC34LL2R

pith:2011:HC34LL2R52MAXP5GFAQY4QCRAN

not attested not anchored not stored refs pending

Soft Session Types (Long Version)

Paolo Di Giamberardino, Ugo Dal Lago

arxiv:1107.4478 v3 · 2011-07-22 · cs.LO · 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{HC34LL2R52MAXP5GFAQY4QCRAN}

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	2026-05-18T04:05:27.293011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38b7c5af51ee980bbfa628218e4051036eb45335ff722f1c5642e3c57b541ba3

Aliases

arxiv: 1107.4478 · arxiv_version: 1107.4478v3 · doi: 10.48550/arxiv.1107.4478 · pith_short_12: HC34LL2R52MA · pith_short_16: HC34LL2R52MAXP5G · pith_short_8: HC34LL2R

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/HC34LL2R52MAXP5GFAQY4QCRAN \
  | 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: 38b7c5af51ee980bbfa628218e4051036eb45335ff722f1c5642e3c57b541ba3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1d780b26b529b8b7c3a0c919ed58b1bc13a1ccf7cea084b3d332293292b4912",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-07-22T10:57:08Z",
    "title_canon_sha256": "466e1e8c8aca958690eaa1cd207f8e3ab0d6d4ef4c32ceba9af19db1f6488757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4478",
    "kind": "arxiv",
    "version": 3
  }
}