Pith Number

pith:7AWGWFLB

pith:2008:7AWGWFLBTIZVNEETZWWO5QPUES

not attested not anchored not stored refs pending

On filling families of finite subsets of the Cantor set

Pandelis Dodos, Vassilis Kanellopoulos

arxiv:0805.2031 v1 · 2008-05-14 · math.LO · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7AWGWFLBTIZVNEETZWWO5QPUES}

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	2026-05-17T23:47:21.367811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f82c6b15619a33569093cdaceec1f4249efa3e1d507fd3f545276205c3bee581

Aliases

arxiv: 0805.2031 · arxiv_version: 0805.2031v1 · doi: 10.48550/arxiv.0805.2031 · pith_short_12: 7AWGWFLBTIZV · pith_short_16: 7AWGWFLBTIZVNEET · pith_short_8: 7AWGWFLB

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/7AWGWFLBTIZVNEETZWWO5QPUES \
  | 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: f82c6b15619a33569093cdaceec1f4249efa3e1d507fd3f545276205c3bee581

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff0311c4f3178f11be51c647477df739da4a24db242c09dcf4af7117684d8b5",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2008-05-14T11:21:27Z",
    "title_canon_sha256": "e44a29c3f3fa1a3a30dd46665401cbbf9571031dd8368f18de38ec983dfdb1fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2031",
    "kind": "arxiv",
    "version": 1
  }
}