Pith Number

pith:25MVJ6AL

pith:2019:25MVJ6ALPYFDURNM26ORRQILKR

not attested not anchored not stored refs pending

Bialgebraic Semantics for String Diagrams

Fabio Zanasi, Filippo Bonchi, Pawel Sobocinski, Robin Piedeleu

arxiv:1906.01519 v2 · 2019-06-04 · cs.LO · cs.PL · 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{25MVJ6ALPYFDURNM26ORRQILKR}

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	2026-05-17T23:41:41.862346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d75954f80b7e0a3a45acd79d18c10b546df72f465043ce3da8d81c0d8a88df10

Aliases

arxiv: 1906.01519 · arxiv_version: 1906.01519v2 · doi: 10.48550/arxiv.1906.01519 · pith_short_12: 25MVJ6ALPYFD · pith_short_16: 25MVJ6ALPYFDURNM · pith_short_8: 25MVJ6AL

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/25MVJ6ALPYFDURNM26ORRQILKR \
  | 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: d75954f80b7e0a3a45acd79d18c10b546df72f465043ce3da8d81c0d8a88df10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79370d6acb089341a1641aca59245ee1b8bc4a94c6e563cb99b1d6a8a397451f",
    "cross_cats_sorted": [
      "cs.PL",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-06-04T15:31:35Z",
    "title_canon_sha256": "184706388106e7f1d4fde2fb442ce7f34b283854c96ef7467e35ccb86ef48cbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01519",
    "kind": "arxiv",
    "version": 2
  }
}