Pith Number

pith:M7H4CT64

pith:2021:M7H4CT645MVZZCZPC44Y3BIPMI

not attested not anchored not stored refs pending

Cartesian Differential Comonads and New Models of Cartesian Differential Categories

Jean-Simon Pacaud Lemay, Sacha Ikonicoff

arxiv:2108.04304 v4 · 2021-08-09 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7H4CT645MVZZCZPC44Y3BIPMI}

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	2026-07-05T05:34:41.846095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67cfc14fdceb2b9c8b2f17398d850f623e78845f6c06358ec2524803ea09cbdd

Aliases

arxiv: 2108.04304 · arxiv_version: 2108.04304v4 · doi: 10.48550/arxiv.2108.04304 · pith_short_12: M7H4CT645MVZ · pith_short_16: M7H4CT645MVZZCZP · pith_short_8: M7H4CT64

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/M7H4CT645MVZZCZPC44Y3BIPMI \
  | 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: 67cfc14fdceb2b9c8b2f17398d850f623e78845f6c06358ec2524803ea09cbdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc6d5cea4368cc922c17be43fbfbbbc4fd1d6d59d2647f8d43dffe5b2257a0d7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2021-08-09T18:58:02Z",
    "title_canon_sha256": "e76ddc9b14e7a9daa9171d84cd707c7193013525ba7bba1cc4317c442cb2c8e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04304",
    "kind": "arxiv",
    "version": 4
  }
}