Pith Number

pith:TJWBRLHY

pith:2017:TJWBRLHYWKQVGBNBAISTCTOUWC

not attested not anchored not stored refs pending

Definability and decidability in expansions by generalized Cantor sets

Philipp Hieronymi, William Balderrama

arxiv:1701.08426 v1 · 2017-01-29 · 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{TJWBRLHYWKQVGBNBAISTCTOUWC}

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	2026-05-18T00:51:54.171121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a6c18acf8b2a15305a10225314dd4b08448f83b012e93c7631e2ea4202021b3

Aliases

arxiv: 1701.08426 · arxiv_version: 1701.08426v1 · doi: 10.48550/arxiv.1701.08426 · pith_short_12: TJWBRLHYWKQV · pith_short_16: TJWBRLHYWKQVGBNB · pith_short_8: TJWBRLHY

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/TJWBRLHYWKQVGBNBAISTCTOUWC \
  | 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: 9a6c18acf8b2a15305a10225314dd4b08448f83b012e93c7631e2ea4202021b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65532c22e2f700fc06e94891018fc49370096a0f9f4687be8c4860c0a17bbeb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-01-29T20:39:49Z",
    "title_canon_sha256": "d2c699146f1cb37c6dba247bfe4a222834e13081219c2abadaf6feeaeffa3d76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08426",
    "kind": "arxiv",
    "version": 1
  }
}