Pith Number

pith:34IFZ7PZ

pith:2018:34IFZ7PZAVQ76XOQWCLIMAKM3V

not attested not anchored not stored refs pending

On Higher Inductive Types in Cubical Type Theory

Anders M\"ortberg, Simon Huber, Thierry Coquand

arxiv:1802.01170 v2 · 2018-02-04 · cs.LO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34IFZ7PZAVQ76XOQWCLIMAKM3V}

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	2026-05-18T00:17:10.932838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df105cfdf90561ff5dd0b09686014cdd6c78fc280bbe61e0aea4e561fc5edc5e

Aliases

arxiv: 1802.01170 · arxiv_version: 1802.01170v2 · doi: 10.48550/arxiv.1802.01170 · pith_short_12: 34IFZ7PZAVQ7 · pith_short_16: 34IFZ7PZAVQ76XOQ · pith_short_8: 34IFZ7PZ

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/34IFZ7PZAVQ76XOQWCLIMAKM3V \
  | 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: df105cfdf90561ff5dd0b09686014cdd6c78fc280bbe61e0aea4e561fc5edc5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b499b895416e00f5414cfc78951b6ab50195d519167f3cda29302dbb42d19721",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-02-04T18:19:44Z",
    "title_canon_sha256": "0b67c0755e7fa0d32ab14938b7ae7d465bdc5fa32c293a4aac059eec1450a969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01170",
    "kind": "arxiv",
    "version": 2
  }
}