Pith Number

pith:K5EVLZBP

pith:2022:K5EVLZBPL2LZGLVSAQWSL2H77V

not attested not anchored not stored refs pending

A Functorial Perspective on (Multi)computational Irreducibility

Jonathan Gorard

arxiv:2301.04690 v1 · 2022-10-13 · cs.CC · 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{K5EVLZBPL2LZGLVSAQWSL2H77V}

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	2026-07-05T05:32:34.892453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

574955e42f5e97932eb2042d25e8fffd6fe975b8c3842c635d5083258e4656d1

Aliases

arxiv: 2301.04690 · arxiv_version: 2301.04690v1 · doi: 10.48550/arxiv.2301.04690 · pith_short_12: K5EVLZBPL2LZ · pith_short_16: K5EVLZBPL2LZGLVS · pith_short_8: K5EVLZBP

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/K5EVLZBPL2LZGLVSAQWSL2H77V \
  | 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: 574955e42f5e97932eb2042d25e8fffd6fe975b8c3842c635d5083258e4656d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05b7c32fc036396bac81b0d325c008c0b7841fe51640a99f4ffa13c789abed29",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2022-10-13T14:55:17Z",
    "title_canon_sha256": "99a3a070089b2bcdb06b1dd6ad1564ff11a37fc57f38ac034da3e351649ca659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.04690",
    "kind": "arxiv",
    "version": 1
  }
}