Pith Number

pith:F6VBDNWY

pith:2015:F6VBDNWYQNPDBLTLIU72UMT6JP

not attested not anchored not stored refs pending

Matchings vs hitting sets among half-spaces in low dimensional euclidean spaces

Rom Pinchasi, Shay Moran

arxiv:1507.02504 v1 · 2015-07-09 · math.CO · cs.CG · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F6VBDNWYQNPDBLTLIU72UMT6JP}

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	2026-05-18T01:37:06.529448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2faa11b6d8835e30ae6b453faa327e4bff27ef4528d4ec6b3f6c369f6ed5a9eb

Aliases

arxiv: 1507.02504 · arxiv_version: 1507.02504v1 · doi: 10.48550/arxiv.1507.02504 · pith_short_12: F6VBDNWYQNPD · pith_short_16: F6VBDNWYQNPDBLTL · pith_short_8: F6VBDNWY

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/F6VBDNWYQNPDBLTLIU72UMT6JP \
  | 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: 2faa11b6d8835e30ae6b453faa327e4bff27ef4528d4ec6b3f6c369f6ed5a9eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d98d206057284d6da2f8c3dda90e90fd9716cb4bc307e1b12865c45322506a14",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-07-09T13:37:33Z",
    "title_canon_sha256": "54941676a25b4baae7f2d3b8e7b53dfebd6b44b28da6ae4bd6218c655c4cd489"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02504",
    "kind": "arxiv",
    "version": 1
  }
}