Pith Number

pith:VMJECXFX

pith:2010:VMJECXFXT2LYCSY5OVQAUM4JIW

not attested not anchored not stored refs pending

Topological transversals to a family of convex sets

L. Montejano, R.N. Karasev

arxiv:1006.0104 v2 · 2010-06-01 · math.CO · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMJECXFXT2LYCSY5OVQAUM4JIW}

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	2026-05-18T04:18:53.316365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab12415cb79e97814b1d75600a338945922b2da3ab5657e7c04881d24b10852a

Aliases

arxiv: 1006.0104 · arxiv_version: 1006.0104v2 · doi: 10.48550/arxiv.1006.0104 · pith_short_12: VMJECXFXT2LY · pith_short_16: VMJECXFXT2LYCSY5 · pith_short_8: VMJECXFX

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/VMJECXFXT2LYCSY5OVQAUM4JIW \
  | 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: ab12415cb79e97814b1d75600a338945922b2da3ab5657e7c04881d24b10852a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec3162e53ff3d481f0f68e41407d8162398f4ca94d2988c5f33a17dff240e7af",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-06-01T10:32:21Z",
    "title_canon_sha256": "c06b15dff212b46ecb0d1a92f231e428b69550217ad11714b844a8a7d31ed3de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.0104",
    "kind": "arxiv",
    "version": 2
  }
}