Pith Number

pith:U5QUQAR5

pith:2021:U5QUQAR5AGXLCXF6QNAZGR7XCS

not attested not anchored not stored refs pending

The 2-Deligne Tensor Product

Thibault D. D\'ecoppet

arxiv:2103.16880 v2 · 2021-03-31 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5QUQAR5AGXLCXF6QNAZGR7XCS}

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

Compact Semisimple Tensor 2-Categories are Morita Connected

Receipt and verification

First computed	2026-07-05T07:30:35.968510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a76148023d01aeb15cbe83419347f714902aa0c27389d67b27026b25d54d2a61

Aliases

arxiv: 2103.16880 · arxiv_version: 2103.16880v2 · doi: 10.48550/arxiv.2103.16880 · pith_short_12: U5QUQAR5AGXL · pith_short_16: U5QUQAR5AGXLCXF6 · pith_short_8: U5QUQAR5

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/U5QUQAR5AGXLCXF6QNAZGR7XCS \
  | 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: a76148023d01aeb15cbe83419347f714902aa0c27389d67b27026b25d54d2a61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f638fe019b5f58016842f67b36046920105bc8bbc216bf00c2e6d3b15a4db9e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2021-03-31T08:02:53Z",
    "title_canon_sha256": "815b4b603cbb75a2e1e1306c433e4f5a9b99522e75cde3bb1076f738efdbcd13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16880",
    "kind": "arxiv",
    "version": 2
  }
}