Pith Number

pith:MEYRTVQZ

pith:2016:MEYRTVQZNEY2RCX7GZGMEOPFVG

not attested not anchored not stored refs pending

Partial spreads and vector space partitions

Michael Kiermaier, Sascha Kurz, Thomas Honold

arxiv:1611.06328 v2 · 2016-11-19 · 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{MEYRTVQZNEY2RCX7GZGMEOPFVG}

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	2026-05-18T00:24:45.193832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

613119d6196931a88aff364cc239e5a9b4d75218532f79a3ca492ad2751ee4cd

Aliases

arxiv: 1611.06328 · arxiv_version: 1611.06328v2 · doi: 10.48550/arxiv.1611.06328 · pith_short_12: MEYRTVQZNEY2 · pith_short_16: MEYRTVQZNEY2RCX7 · pith_short_8: MEYRTVQZ

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/MEYRTVQZNEY2RCX7GZGMEOPFVG \
  | 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: 613119d6196931a88aff364cc239e5a9b4d75218532f79a3ca492ad2751ee4cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31308634ea08d98ec22a411118718cd8d11e43a8ccf285346877016e37ecba4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-11-19T09:04:54Z",
    "title_canon_sha256": "84406bf8377d83d85fab720b93b5e51df839d92efce31dc357fda769df608270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06328",
    "kind": "arxiv",
    "version": 2
  }
}