Pith Number

pith:R57ULMOZ

pith:2013:R57ULMOZQJZ22RSEAA3FFHJCBZ

not attested not anchored not stored refs pending

A lower bound for constant dimension codes from multi-component lifted MRD codes

Anna-Lena Trautmann

arxiv:1301.1918 v1 · 2013-01-09 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R57ULMOZQJZ22RSEAA3FFHJCBZ}

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	2026-05-18T03:36:55.693547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7f45b1d98273ad46440036529d220e55149bdd604aa75ea14b848b581a4798

Aliases

arxiv: 1301.1918 · arxiv_version: 1301.1918v1 · doi: 10.48550/arxiv.1301.1918 · pith_short_12: R57ULMOZQJZ2 · pith_short_16: R57ULMOZQJZ22RSE · pith_short_8: R57ULMOZ

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/R57ULMOZQJZ22RSEAA3FFHJCBZ \
  | 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: 8f7f45b1d98273ad46440036529d220e55149bdd604aa75ea14b848b581a4798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "088a47dc47b505a2f5c9bfbe190371a4cb55f599a107ee4ada73314e5257ebe9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-09T16:47:14Z",
    "title_canon_sha256": "9120f2db3f4e722cec3db77189c3be601fa7fd384c2e21a22dbe5e623945d9d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1918",
    "kind": "arxiv",
    "version": 1
  }
}