Pith Number

pith:PSKFQ6CP

pith:2024:PSKFQ6CPR5KXZYYRZ6VDAL6QJ7

not attested not anchored not stored refs pending

A Type Theory with a Tiny Object

Mitchell Riley

arxiv:2403.01939 v1 · 2024-03-04 · math.CT · cs.PL · 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{PSKFQ6CPR5KXZYYRZ6VDAL6QJ7}

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

Projective Presentations of Lex Modalities

Receipt and verification

First computed	2026-07-05T07:51:54.368880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c9458784f8f557ce311cfaa302fd04fd21aca41db22eb5c6e7004351fe70027

Aliases

arxiv: 2403.01939 · arxiv_version: 2403.01939v1 · doi: 10.48550/arxiv.2403.01939 · pith_short_12: PSKFQ6CPR5KX · pith_short_16: PSKFQ6CPR5KXZYYR · pith_short_8: PSKFQ6CP

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/PSKFQ6CPR5KXZYYRZ6VDAL6QJ7 \
  | 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: 7c9458784f8f557ce311cfaa302fd04fd21aca41db22eb5c6e7004351fe70027

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "159d62a3b11b2f1baf17e0c13a3dccf0c1602f0614dfd9142b798cf2afce2b7d",
    "cross_cats_sorted": [
      "cs.PL",
      "math.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2024-03-04T11:15:10Z",
    "title_canon_sha256": "a759cde9821d73c376388e8c53890cbc6f24b4705f73a0db94b36255814de4fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.01939",
    "kind": "arxiv",
    "version": 1
  }
}