Pith Number

pith:FXGGVFRF

pith:2014:FXGGVFRF2TSGBN5VR7QCJHYHAO

not attested not anchored not stored refs pending

Team Semantics and Recursive Enumerability

Antti Kuusisto

arxiv:1408.4080 v1 · 2014-08-18 · math.LO · 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{FXGGVFRF2TSGBN5VR7QCJHYHAO}

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	2026-05-18T02:44:57.287478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dcc6a9625d4e460b7b58fe0249f0703a0d6354583f84997cece7687fae9daef

Aliases

arxiv: 1408.4080 · arxiv_version: 1408.4080v1 · doi: 10.48550/arxiv.1408.4080 · pith_short_12: FXGGVFRF2TSG · pith_short_16: FXGGVFRF2TSGBN5V · pith_short_8: FXGGVFRF

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/FXGGVFRF2TSGBN5VR7QCJHYHAO \
  | 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: 2dcc6a9625d4e460b7b58fe0249f0703a0d6354583f84997cece7687fae9daef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7def03f890812fd17b43f41269d463e2e2c9325afa3608af84c44b5a19821496",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-08-18T17:58:35Z",
    "title_canon_sha256": "1d1bde5b3beabd11af45040a6b206c864fa77d9cff25bc1837f111e8d43587d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4080",
    "kind": "arxiv",
    "version": 1
  }
}