Pith Number

pith:FUQA7KMC

pith:2019:FUQA7KMCAZLKX7YV6YBP6TQZ7N

not attested not anchored not stored refs pending

Modular specification of monads through higher-order presentations

Ambroise Lafont, Andr\'e Hirschowitz, Benedikt Ahrens, Marco Maggesi

arxiv:1903.00922 v1 · 2019-03-03 · cs.LO · math.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{FUQA7KMCAZLKX7YV6YBP6TQZ7N}

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	2026-05-17T23:40:38.950023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d200fa9820656abff15f602ff4e19fb5e0eb72be7f5218b86a77b6866ebfd2a

Aliases

arxiv: 1903.00922 · arxiv_version: 1903.00922v1 · doi: 10.48550/arxiv.1903.00922 · pith_short_12: FUQA7KMCAZLK · pith_short_16: FUQA7KMCAZLKX7YV · pith_short_8: FUQA7KMC

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/FUQA7KMCAZLKX7YV6YBP6TQZ7N \
  | 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: 2d200fa9820656abff15f602ff4e19fb5e0eb72be7f5218b86a77b6866ebfd2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb7b915a9001d1063e03e8acfd7e4b99acba70aa7bd78e32ab611e52e85d07ab",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-03-03T15:00:36Z",
    "title_canon_sha256": "79b1b590c868128147cf3d74fa20cdd446f1208010f6c1fb0b4dc445ab6b9724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00922",
    "kind": "arxiv",
    "version": 1
  }
}