Pith Number

pith:TEXKURHN

pith:2019:TEXKURHNGN2VW6DP56X6QLVL7J

not attested not anchored not stored refs pending

Parametric Cubical Type Theory

Evan Cavallo, Robert Harper

arxiv:1901.00489 v2 · 2019-01-02 · cs.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{TEXKURHNGN2VW6DP56X6QLVL7J}

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	2026-05-17T23:41:12.363846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

992eaa44ed33755b786fefafe82eabfa5e0909d61d3e4ee008b5bdfcbac2b3f4

Aliases

arxiv: 1901.00489 · arxiv_version: 1901.00489v2 · doi: 10.48550/arxiv.1901.00489 · pith_short_12: TEXKURHNGN2V · pith_short_16: TEXKURHNGN2VW6DP · pith_short_8: TEXKURHN

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/TEXKURHNGN2VW6DP56X6QLVL7J \
  | 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: 992eaa44ed33755b786fefafe82eabfa5e0909d61d3e4ee008b5bdfcbac2b3f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ad1ae2e142b4765aaff4a71a0c8b0b2be643625a3cdc67ad2e3fb80e977102",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-01-02T18:44:41Z",
    "title_canon_sha256": "1b1d8aa1db687bc417efa614fdd898be0cb63ef02a675cfc1937defae0869f13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00489",
    "kind": "arxiv",
    "version": 2
  }
}