Pith Number

pith:IMNUYBUJ

pith:2019:IMNUYBUJE63BSEWF6EMYDRSLMO

not attested not anchored not stored refs pending

Nerves of 2-categories and 2-categorification of $(\infty,2)$-categories

Martina Rovelli, Viktoriya Ozornova

arxiv:1902.05524 v1 · 2019-02-14 · math.AT · 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{IMNUYBUJE63BSEWF6EMYDRSLMO}

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	2026-05-17T23:53:58.474310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

431b4c068927b61912c5f11981c64b63bdc5adb67582d8155c1174423e7af8e3

Aliases

arxiv: 1902.05524 · arxiv_version: 1902.05524v1 · doi: 10.48550/arxiv.1902.05524 · pith_short_12: IMNUYBUJE63B · pith_short_16: IMNUYBUJE63BSEWF · pith_short_8: IMNUYBUJ

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/IMNUYBUJE63BSEWF6EMYDRSLMO \
  | 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: 431b4c068927b61912c5f11981c64b63bdc5adb67582d8155c1174423e7af8e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "310595406c2f2330b04660c8f27ef12df36e9b319ee55315baf05df5b63b59ec",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-02-14T18:00:44Z",
    "title_canon_sha256": "a9ce4f89f8151f4c126bbbfdc278c6c90878b1744ff3d7edfcc079b13d6dc631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05524",
    "kind": "arxiv",
    "version": 1
  }
}