Pith Number

pith:RCSJEF7G

pith:2019:RCSJEF7GH5QHCPMQNJMYCXAK5V

not attested not anchored not stored refs pending

"Choix de Bruxelles": A New Operation on Positive Integers

Charlie Neder, Eric Angelini, Lars Blomberg, N. J. A. Sloane, Remy Sigrist

arxiv:1902.01444 v1 · 2019-02-04 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCSJEF7GH5QHCPMQNJMYCXAK5V}

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	2026-05-17T23:54:47.692696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88a49217e63f60713d906a59815c0aed73d5decfed0eb20f68f808c566616bf5

Aliases

arxiv: 1902.01444 · arxiv_version: 1902.01444v1 · doi: 10.48550/arxiv.1902.01444 · pith_short_12: RCSJEF7GH5QH · pith_short_16: RCSJEF7GH5QHCPMQ · pith_short_8: RCSJEF7G

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/RCSJEF7GH5QHCPMQNJMYCXAK5V \
  | 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: 88a49217e63f60713d906a59815c0aed73d5decfed0eb20f68f808c566616bf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd008b24dcf1c08fa92432d6ba55bcddbebe6f51a53662f24a4cdd3b3ea36593",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-02-04T19:56:19Z",
    "title_canon_sha256": "a69659e3815cb06b0c306b3036e27dda992df93e527378388ec138c9221be3ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01444",
    "kind": "arxiv",
    "version": 1
  }
}