Pith Number

pith:SZZKNTIR

pith:2018:SZZKNTIRQHR75BYPIE3P5GW7VL

not attested not anchored not stored refs pending

Encoding Sets as Real Numbers (Extended version)

Alberto Policriti, Domenico Cantone

arxiv:1806.09329 v1 · 2018-06-25 · 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{SZZKNTIRQHR75BYPIE3P5GW7VL}

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	2026-05-18T00:12:29.648289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9672a6cd1181e3fe870f4136fe9adfaad2be0339267f6f8646c5df64c477bbd2

Aliases

arxiv: 1806.09329 · arxiv_version: 1806.09329v1 · doi: 10.48550/arxiv.1806.09329 · pith_short_12: SZZKNTIRQHR7 · pith_short_16: SZZKNTIRQHR75BYP · pith_short_8: SZZKNTIR

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/SZZKNTIRQHR75BYPIE3P5GW7VL \
  | 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: 9672a6cd1181e3fe870f4136fe9adfaad2be0339267f6f8646c5df64c477bbd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6df7b447f58b1b30d1e643d671a360a3dd2cb33973654b9c7725a92e4ea97cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-06-25T08:53:33Z",
    "title_canon_sha256": "74eed9c20b91727ae87e90d4f077c363068f003accb240db76e8ca718a34f38e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09329",
    "kind": "arxiv",
    "version": 1
  }
}