Pith Number

pith:OPYAIGHB

pith:2016:OPYAIGHBPWODST3NMPYWWFUKOD

not attested not anchored not stored refs pending

A Tverberg type theorem for matroids

Gil Kalai, Imre B\'ar\'any, Roy Meshulam

arxiv:1607.01599 v2 · 2016-07-06 · 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{OPYAIGHBPWODST3NMPYWWFUKOD}

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	2026-05-18T00:56:30.834981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f00418e17d9c394f6d63f16b168a70df0626ebc1f2d9c5f8b9fc2332d9473b

Aliases

arxiv: 1607.01599 · arxiv_version: 1607.01599v2 · doi: 10.48550/arxiv.1607.01599 · pith_short_12: OPYAIGHBPWOD · pith_short_16: OPYAIGHBPWODST3N · pith_short_8: OPYAIGHB

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/OPYAIGHBPWODST3NMPYWWFUKOD \
  | 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: 73f00418e17d9c394f6d63f16b168a70df0626ebc1f2d9c5f8b9fc2332d9473b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "598fc8831b65f1ef03df9bba08a39bf4d8f0194e67d80b340cdf0853763d5e15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-07-06T12:54:24Z",
    "title_canon_sha256": "c1416e6159fffa214f5a0eb876d91298b918c43762088660ca8dc34672c03035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01599",
    "kind": "arxiv",
    "version": 2
  }
}