Pith Number

pith:REDEZSNP

pith:2012:REDEZSNP74KO6ARZ36VWNL5E2U

not attested not anchored not stored refs pending

A Note on Kolmogorov-Uspensky Machines

Holger Petersen

arxiv:1211.5544 v1 · 2012-11-23 · cs.CC · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{REDEZSNP74KO6ARZ36VWNL5E2U}

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	2026-05-18T03:40:04.129436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89064cc9afff14ef0239dfab66afa4d50376eecee10a98521eb71f83ef564bb1

Aliases

arxiv: 1211.5544 · arxiv_version: 1211.5544v1 · doi: 10.48550/arxiv.1211.5544 · pith_short_12: REDEZSNP74KO · pith_short_16: REDEZSNP74KO6ARZ · pith_short_8: REDEZSNP

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/REDEZSNP74KO6ARZ36VWNL5E2U \
  | 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: 89064cc9afff14ef0239dfab66afa4d50376eecee10a98521eb71f83ef564bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f262a291f5eb46e289fc94e76d7dca8d6078bf8f41f7ba8436325010f6e15f69",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-11-23T16:37:37Z",
    "title_canon_sha256": "24e1a1c2f73fa40a32e095554cd6e3373dcfef0cc3ec06e7633ba7ea3e5984b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5544",
    "kind": "arxiv",
    "version": 1
  }
}