Pith Number

pith:XU2IZ5EZ

pith:2020:XU2IZ5EZLGNRYOGDSEITE2BLJZ

not attested not anchored not stored refs pending

Open Diagrams via Coend Calculus

Mario Rom\'an (Tallinn University of Technology)

arxiv:2004.04526 v5 · 2020-04-09 · math.CT · 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{XU2IZ5EZLGNRYOGDSEITE2BLJZ}

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.

Cited by

1 paper in Pith

Polycategorical Constructions for Unitary Supermaps of Arbitrary Dimension

Receipt and verification

First computed	2026-07-05T03:58:32.329848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd348cf499599b1c38c3911132682b4e4a1064cb218101d8cfc7d0417752a6d8

Aliases

arxiv: 2004.04526 · arxiv_version: 2004.04526v5 · doi: 10.48550/arxiv.2004.04526 · pith_short_12: XU2IZ5EZLGNR · pith_short_16: XU2IZ5EZLGNRYOGD · pith_short_8: XU2IZ5EZ

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/XU2IZ5EZLGNRYOGDSEITE2BLJZ \
  | 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: bd348cf499599b1c38c3911132682b4e4a1064cb218101d8cfc7d0417752a6d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87aaf7ee171c2d1ba802f94e1fd0e62802e76fa5e5f279e9407f6579dcc80ece",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2020-04-09T13:15:06Z",
    "title_canon_sha256": "f63ae35f583aa5a9fab8e1209dc6070dd0e1b6d41540cf4a3816417d0edc3b09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04526",
    "kind": "arxiv",
    "version": 5
  }
}