Pith Number

pith:YNJJLQSK

pith:2018:YNJJLQSKG22EDUTIRRXV2HEU7Q

not attested not anchored not stored refs pending

On normalized Horn systems

Christine Berkesch, Laura Felicia Matusevich, Uli Walther

arxiv:1806.03355 v1 · 2018-06-08 · math.AG · 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{YNJJLQSKG22EDUTIRRXV2HEU7Q}

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	2026-05-18T00:13:43.646845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c35295c24a36b441d2688c6f5d1c94fc2acdd3787296fc6104ad4285a8f193fc

Aliases

arxiv: 1806.03355 · arxiv_version: 1806.03355v1 · doi: 10.48550/arxiv.1806.03355 · pith_short_12: YNJJLQSKG22E · pith_short_16: YNJJLQSKG22EDUTI · pith_short_8: YNJJLQSK

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/YNJJLQSKG22EDUTIRRXV2HEU7Q \
  | 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: c35295c24a36b441d2688c6f5d1c94fc2acdd3787296fc6104ad4285a8f193fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc6248b7bccf714bad9a00ed0d51400ce2bb510b17ba6df85c90ac4e6e5e1b06",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-06-08T21:12:06Z",
    "title_canon_sha256": "5ce922abda3f9f935f82052cacd9a712f9cb509f85f4055ec19b429b4f6dd600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03355",
    "kind": "arxiv",
    "version": 1
  }
}