Pith Number

pith:V25MZARO

pith:2015:V25MZAROQCS7RPCQABHDHJE2K5

not attested not anchored not stored refs pending

The central set and its application to the Kneser-Poulsen conjecture

Igors Gorbovickis

arxiv:1511.08134 v3 · 2015-11-25 · math.MG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V25MZAROQCS7RPCQABHDHJE2K5}

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	2026-05-18T00:24:31.953291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aebacc822e80a5f8bc50004e33a49a5770de833728369befd008d30dcf2c73e2

Aliases

arxiv: 1511.08134 · arxiv_version: 1511.08134v3 · doi: 10.48550/arxiv.1511.08134 · pith_short_12: V25MZAROQCS7 · pith_short_16: V25MZAROQCS7RPCQ · pith_short_8: V25MZARO

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/V25MZAROQCS7RPCQABHDHJE2K5 \
  | 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: aebacc822e80a5f8bc50004e33a49a5770de833728369befd008d30dcf2c73e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97d38a4c0e67fa9f99a4dd109f46af916510b3bd86a49cdbbdd7aef63e180b46",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-11-25T17:47:28Z",
    "title_canon_sha256": "5c7d011100f1b729a9d053c3bace20a259b177f1abc4b64786d888065540a754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08134",
    "kind": "arxiv",
    "version": 3
  }
}