Pith Number

pith:UUSBLLMW

pith:2015:UUSBLLMW5HJQSYWTZFKCFRJAWZ

not attested not anchored not stored refs pending

On the geometry of real or complex supersolvable line arrangements

Benjamin Anzis, Stefan Tohaneanu

arxiv:1501.04039 v2 · 2015-01-16 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUSBLLMW5HJQSYWTZFKCFRJAWZ}

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	2026-05-18T02:16:20.354078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a52415ad96e9d30962d3c95422c520b654283cb4351733ad201e1a09f9963ff1

Aliases

arxiv: 1501.04039 · arxiv_version: 1501.04039v2 · doi: 10.48550/arxiv.1501.04039 · pith_short_12: UUSBLLMW5HJQ · pith_short_16: UUSBLLMW5HJQSYWT · pith_short_8: UUSBLLMW

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/UUSBLLMW5HJQSYWTZFKCFRJAWZ \
  | 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: a52415ad96e9d30962d3c95422c520b654283cb4351733ad201e1a09f9963ff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d3a5cd602ff5ad1c595a7aacabbaf9fa02591740fb4fdcaf63e9aaa857b436a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-16T16:48:30Z",
    "title_canon_sha256": "7d1237019e041b59dcfc9adcd5a8067e7fb53566f6278fe58400b22f90d89e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04039",
    "kind": "arxiv",
    "version": 2
  }
}