Pith Number

pith:ZKNSTC34

pith:2016:ZKNSTC347RHAGP5W4WQPAOWTXA

not attested not anchored not stored refs pending

Recursion-Theoretic Ranking and Compression

Daniel Rubery, Lane A. Hemaspaandra

arxiv:1610.01185 v6 · 2016-10-04 · cs.LO · cs.CC · cs.FL · 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{ZKNSTC347RHAGP5W4WQPAOWTXA}

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	2026-05-18T00:29:01.846844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca9b298b7cfc4e033fb6e5a0f03ad3b80850c2c31adaec5ffcc8e613fb74db82

Aliases

arxiv: 1610.01185 · arxiv_version: 1610.01185v6 · doi: 10.48550/arxiv.1610.01185 · pith_short_12: ZKNSTC347RHA · pith_short_16: ZKNSTC347RHAGP5W · pith_short_8: ZKNSTC34

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/ZKNSTC347RHAGP5W4WQPAOWTXA \
  | 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: ca9b298b7cfc4e033fb6e5a0f03ad3b80850c2c31adaec5ffcc8e613fb74db82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f05932fec1bf738e0a80281bf1e9542795cbfff6ef498fdd850511329c35be56",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.FL",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-10-04T20:18:40Z",
    "title_canon_sha256": "911625e8e32d22e3c728573caf5efaa0025e641a40e977619cac3708004543b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01185",
    "kind": "arxiv",
    "version": 6
  }
}