Pith Number

pith:RNNX6IJL

pith:2023:RNNX6IJLTG5YZTSAHRWTMLRHYD

not attested not anchored not stored refs pending

Frex: dependently-typed algebraic simplification

Edwin Brady, Guillaume Allais, Jeremy Yallop, Nathan Corbyn, Ohad Kammar

arxiv:2306.15375 v2 · 2023-06-27 · cs.PL · cs.LO · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RNNX6IJLTG5YZTSAHRWTMLRHYD}

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

Custom Representations of Inductive Families

Receipt and verification

First computed	2026-07-05T11:39:01.067597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b5b7f212b99bb8cce403c6d362e27c0c950c42db0c0979ae0218c541e2c534a

Aliases

arxiv: 2306.15375 · arxiv_version: 2306.15375v2 · doi: 10.48550/arxiv.2306.15375 · pith_short_12: RNNX6IJLTG5Y · pith_short_16: RNNX6IJLTG5YZTSA · pith_short_8: RNNX6IJL

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/RNNX6IJLTG5YZTSAHRWTMLRHYD \
  | 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: 8b5b7f212b99bb8cce403c6d362e27c0c950c42db0c0979ae0218c541e2c534a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa538527946fd7cf62d04c487fc893f49a81acf823f7e820f94b91940205b1f0",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.SC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2023-06-27T10:47:22Z",
    "title_canon_sha256": "78feb209ee6a28da78468b66ad46360843aad7fd69466e4ada96a62a192016cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.15375",
    "kind": "arxiv",
    "version": 2
  }
}