Pith Number

pith:IM6PZWIL

pith:2019:IM6PZWILD3XT4MZ5XK7KG3GZ2B

not attested not anchored not stored refs pending

High-level methods for homotopy construction in associative $n$-categories

David Reutter, Jamie Vicary

arxiv:1902.03831 v1 · 2019-02-11 · 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{IM6PZWILD3XT4MZ5XK7KG3GZ2B}

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	2026-05-17T23:54:19.478005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433cfcd90b1eef3e333dbabea36cd9d066d585186562f0bf6e75ee10b02428a0

Aliases

arxiv: 1902.03831 · arxiv_version: 1902.03831v1 · doi: 10.48550/arxiv.1902.03831 · pith_short_12: IM6PZWILD3XT · pith_short_16: IM6PZWILD3XT4MZ5 · pith_short_8: IM6PZWIL

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/IM6PZWILD3XT4MZ5XK7KG3GZ2B \
  | 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: 433cfcd90b1eef3e333dbabea36cd9d066d585186562f0bf6e75ee10b02428a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4d5deaa86bb5f5c9bb3bd347b15adf9422c455907c1f72454832eae8e107d1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2019-02-11T11:52:18Z",
    "title_canon_sha256": "4a6acfcf3444f031763609eb5504d7bb4e39a78485512b3c5fa4b994ba768dce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03831",
    "kind": "arxiv",
    "version": 1
  }
}