Pith Number

pith:7KPJNIPC

pith:2013:7KPJNIPCWWK5XGF47JEIVBH5JN

not attested not anchored not stored refs pending

Partial k-Parallelisms in Finite Projective Spaces

Tuvi Etzion

arxiv:1302.3629 v2 · 2013-02-14 · 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{7KPJNIPCWWK5XGF47JEIVBH5JN}

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	2026-05-18T03:04:15.489337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa9e96a1e2b595db98bcfa488a84fd4b48a0f9f3fcf79aac6d0a6224f27790d9

Aliases

arxiv: 1302.3629 · arxiv_version: 1302.3629v2 · doi: 10.48550/arxiv.1302.3629 · pith_short_12: 7KPJNIPCWWK5 · pith_short_16: 7KPJNIPCWWK5XGF4 · pith_short_8: 7KPJNIPC

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/7KPJNIPCWWK5XGF47JEIVBH5JN \
  | 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: fa9e96a1e2b595db98bcfa488a84fd4b48a0f9f3fcf79aac6d0a6224f27790d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1433598b338ec75a4fdee6b70622ba0e6b60d1d87f654a8b13eacb8e5dda67b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-02-14T21:13:47Z",
    "title_canon_sha256": "31f50e3d5d8566ba0e5017b27256c5baa4fa054ed45fa35abd87e021035b5d1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3629",
    "kind": "arxiv",
    "version": 2
  }
}