Pith Number

pith:3KW2ZWMJ

pith:2016:3KW2ZWMJSL7D5ZRUCYL4BFAWMR

not attested not anchored not stored refs pending

Set-Theoretic Types for Polymorphic Variants

DIBRIS), Giuseppe Castagna (CNRS, IRIF), Kim Nguyen (LRI), Tommaso Petrucciani (IRIF

arxiv:1606.01106 v2 · 2016-06-03 · 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{3KW2ZWMJSL7D5ZRUCYL4BFAWMR}

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	2026-05-18T01:11:30.498071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daadacd98992fe3ee6341617c09416645e0ec4477e42fdb2376620e1def4a634

Aliases

arxiv: 1606.01106 · arxiv_version: 1606.01106v2 · doi: 10.48550/arxiv.1606.01106 · pith_short_12: 3KW2ZWMJSL7D · pith_short_16: 3KW2ZWMJSL7D5ZRU · pith_short_8: 3KW2ZWMJ

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/3KW2ZWMJSL7D5ZRUCYL4BFAWMR \
  | 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: daadacd98992fe3ee6341617c09416645e0ec4477e42fdb2376620e1def4a634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "461c210c028f25ec1a8fd1f42fddb0ec1b461dd16a5e61d81b2276225dd61b05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-06-03T14:34:55Z",
    "title_canon_sha256": "a50147ddd8fd7513322997cb8a61c344fc8c9f817f0f3a935218ddb32d79b38b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01106",
    "kind": "arxiv",
    "version": 2
  }
}