Pith Number

pith:DP4VGWRP

pith:2008:DP4VGWRPBECGT3IZ7R2OREB6IB

not attested not anchored not stored refs pending

Maximal Orders in the Design of Dense Space-Time Lattice Codes

Camilla Hollanti, Hsiao-feng Francis Lu, Jyrki Lahtonen

arxiv:0803.2639 v1 · 2008-03-18 · cs.IT · cs.DM · math.IT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DP4VGWRPBECGT3IZ7R2OREB6IB}

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	2026-05-18T00:58:48.609928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf9535a2f090469ed19fc74e8903e4045942d90ba62d795bf10664a51fe8d7d

Aliases

arxiv: 0803.2639 · arxiv_version: 0803.2639v1 · doi: 10.48550/arxiv.0803.2639 · pith_short_12: DP4VGWRPBECG · pith_short_16: DP4VGWRPBECGT3IZ · pith_short_8: DP4VGWRP

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/DP4VGWRPBECGT3IZ7R2OREB6IB \
  | 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: 1bf9535a2f090469ed19fc74e8903e4045942d90ba62d795bf10664a51fe8d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "733e17982c88cb27dea28ba95efae7125c18ee7c53a9b692d5a836c5af793114",
    "cross_cats_sorted": [
      "cs.DM",
      "math.IT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-03-18T14:20:44Z",
    "title_canon_sha256": "be604b207c78ce2353766f21664a7c775a63b0b6172645e156ab8f32eaf4e01b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2639",
    "kind": "arxiv",
    "version": 1
  }
}