Pith Number

pith:O6KL2Z7V

pith:2018:O6KL2Z7V6OEDEZWCDQ3D6MU7EP

not attested not anchored not stored refs pending

Connectivity of hyperplane sections of domains

Matteo Varbaro

arxiv:1802.09445 v2 · 2018-02-26 · 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{O6KL2Z7V6OEDEZWCDQ3D6MU7EP}

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	2026-05-18T00:22:18.181247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7794bd67f5f3883266c21c363f329f23d02237bbd4aade16f29e32298d8b8794

Aliases

arxiv: 1802.09445 · arxiv_version: 1802.09445v2 · doi: 10.48550/arxiv.1802.09445 · pith_short_12: O6KL2Z7V6OED · pith_short_16: O6KL2Z7V6OEDEZWC · pith_short_8: O6KL2Z7V

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/O6KL2Z7V6OEDEZWCDQ3D6MU7EP \
  | 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: 7794bd67f5f3883266c21c363f329f23d02237bbd4aade16f29e32298d8b8794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d2f5abf0ef3b301dc52c120e49fa495066c732a45cbe8f7cae8b395cc7971b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-02-26T16:45:12Z",
    "title_canon_sha256": "27037f5420f2022faf30d5782c479f727815db9c19543370a50a09ea0694e532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09445",
    "kind": "arxiv",
    "version": 2
  }
}