Pith Number

pith:Q4JNWBJF

pith:2026:Q4JNWBJFZXNOXD3YGKZNR3LVJB

not attested not anchored not stored refs pending

G\"odel coding on fibrations and geminal categories

Yuto Ikeda

arxiv:2606.01165 v1 · 2026-05-31 · math.LO · cs.LO · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4JNWBJFZXNOXD3YGKZNR3LVJB}

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	2026-06-02T02:04:25.518693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8712db0525cddaeb8f7832b2d8ed7548756109d5d9996374e470bd1ba86cba93

Aliases

arxiv: 2606.01165 · arxiv_version: 2606.01165v1 · doi: 10.48550/arxiv.2606.01165 · pith_short_12: Q4JNWBJFZXNO · pith_short_16: Q4JNWBJFZXNOXD3Y · pith_short_8: Q4JNWBJF

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/Q4JNWBJFZXNOXD3YGKZNR3LVJB \
  | 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: 8712db0525cddaeb8f7832b2d8ed7548756109d5d9996374e470bd1ba86cba93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbb97a26ec315805ac399a01893d98ee713571ca221e4f5f5b427a36d2192644",
    "cross_cats_sorted": [
      "cs.LO",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-05-31T11:14:17Z",
    "title_canon_sha256": "56c4c7ad4ecdb40963a586dfeb0e94f178cd3a7f41811c8818d9d23e280fada1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01165",
    "kind": "arxiv",
    "version": 1
  }
}