Pith Number

pith:CEH6SKUH

pith:2013:CEH6SKUHZZQWP6KNTEJXK7LPRP

not attested not anchored not stored refs pending

Towards a Church-Turing-Thesis for Infinitary Computations

Merlin Carl

arxiv:1307.6599 v1 · 2013-07-24 · 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{CEH6SKUHZZQWP6KNTEJXK7LPRP}

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	2026-05-18T03:17:35.821566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

110fe92a87ce6167f94d9913757d6f8bdac6ead47e994ee18aa9482fc446c131

Aliases

arxiv: 1307.6599 · arxiv_version: 1307.6599v1 · doi: 10.48550/arxiv.1307.6599 · pith_short_12: CEH6SKUHZZQW · pith_short_16: CEH6SKUHZZQWP6KN · pith_short_8: CEH6SKUH

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/CEH6SKUHZZQWP6KNTEJXK7LPRP \
  | 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: 110fe92a87ce6167f94d9913757d6f8bdac6ead47e994ee18aa9482fc446c131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda3c3bf1d73e20fb0be2ddb52662a31b577ce71cb1c8b9a67aedaec0a375676",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-07-24T21:58:58Z",
    "title_canon_sha256": "14299e864cca52bf3e33b7fe7ff50ba45735f28c7995d60703d8783bd9c8e930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6599",
    "kind": "arxiv",
    "version": 1
  }
}