Pith Number

pith:EMG6HC7U

pith:2019:EMG6HC7UGNY3BE7IPUCP36PLCC

not attested not anchored not stored refs pending

Convex choice, finite choice and sorting

Arno Pauly, Takayuki Kihara

arxiv:1905.03190 v1 · 2019-05-02 · 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{EMG6HC7UGNY3BE7IPUCP36PLCC}

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	2026-05-17T23:46:42.599818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230de38bf43371b093e87d04fdf9eb1088f9cf294a8cdbc3ee0806fd18c57b0d

Aliases

arxiv: 1905.03190 · arxiv_version: 1905.03190v1 · doi: 10.48550/arxiv.1905.03190 · pith_short_12: EMG6HC7UGNY3 · pith_short_16: EMG6HC7UGNY3BE7I · pith_short_8: EMG6HC7U

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/EMG6HC7UGNY3BE7IPUCP36PLCC \
  | 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: 230de38bf43371b093e87d04fdf9eb1088f9cf294a8cdbc3ee0806fd18c57b0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ede65dfc78bdb558a346b773030e0be9fad5c4425a1d31f32faba7be51ed1c",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-05-02T03:27:00Z",
    "title_canon_sha256": "11450ccc3b1b0c8f8da7db0765642f6a8298723d917786b0aac6030dab0418b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03190",
    "kind": "arxiv",
    "version": 1
  }
}