Pith Number

pith:IO4UEAQO

pith:2026:IO4UEAQOOL5KA6B6AUO7AI3LNR

not attested not anchored not stored refs pending

Computing Certificates in Archimedean Univariate Saturated Quadratic Modules

Deepak Kapur, Jose Abel Castellanos-Joo

arxiv:2605.18980 v1 · 2026-05-18 · cs.SC · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IO4UEAQOOL5KA6B6AUO7AI3LNR}

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	2026-05-20T00:06:40.889542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b942020e72faa0783e051df0236b6c7b63996ac417b2668955fa7139806b08

Aliases

arxiv: 2605.18980 · arxiv_version: 2605.18980v1 · doi: 10.48550/arxiv.2605.18980 · pith_short_12: IO4UEAQOOL5K · pith_short_16: IO4UEAQOOL5KA6B6 · pith_short_8: IO4UEAQO

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/IO4UEAQOOL5KA6B6AUO7AI3LNR \
  | 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: 43b942020e72faa0783e051df0236b6c7b63996ac417b2668955fa7139806b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe7dc3a5ce3b399694f6833bf869f1865341176c5d600c16437b7598e690dc79",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2026-05-18T18:03:07Z",
    "title_canon_sha256": "ec6291cffe6fcac1b522badedad585acafe52293f8e0c07e16f4e6fe05a22889"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18980",
    "kind": "arxiv",
    "version": 1
  }
}