Pith Number

pith:BA5R2OTP

pith:2016:BA5R2OTPLKHVHYTY7N7V4EEXM5

not attested not anchored not stored refs pending

Regularity of Line Configurations

Bruno Benedetti, Matteo Varbaro, Michela Di Marca

arxiv:1608.02134 v3 · 2016-08-06 · 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{BA5R2OTPLKHVHYTY7N7V4EEXM5}

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	2026-05-18T00:33:53.188967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

083b1d3a6f5a8f53e278fb7f5e10976751e9d92c26fdb0cc8c48e390ab7b3a52

Aliases

arxiv: 1608.02134 · arxiv_version: 1608.02134v3 · doi: 10.48550/arxiv.1608.02134 · pith_short_12: BA5R2OTPLKHV · pith_short_16: BA5R2OTPLKHVHYTY · pith_short_8: BA5R2OTP

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/BA5R2OTPLKHVHYTY7N7V4EEXM5 \
  | 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: 083b1d3a6f5a8f53e278fb7f5e10976751e9d92c26fdb0cc8c48e390ab7b3a52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8a0d3b0caf998cab0bfc3b8a689a2bc2e4b8e24904579e9beea4687863678e3",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-08-06T17:59:47Z",
    "title_canon_sha256": "8f7fe1349c830fb5a0bc14b53f354e8c2bff8c19ef88e721139f27520cb4525e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02134",
    "kind": "arxiv",
    "version": 3
  }
}