Pith Number

pith:6BG56GUL

pith:2017:6BG56GULEEVUGIEPBWA7FYRXG7

not attested not anchored not stored refs pending

On Fast-Decodable Algebraic Space--Time Codes

Amaro Barreal, Camilla Hollanti

arxiv:1710.05602 v1 · 2017-10-16 · 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{6BG56GULEEVUGIEPBWA7FYRXG7}

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	2026-05-18T00:32:48.792290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f04ddf1a8b212b43208f0d81f2e23737e3e005c3a17d9450b09e0bffe3235dd6

Aliases

arxiv: 1710.05602 · arxiv_version: 1710.05602v1 · doi: 10.48550/arxiv.1710.05602 · pith_short_12: 6BG56GULEEVU · pith_short_16: 6BG56GULEEVUGIEP · pith_short_8: 6BG56GUL

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/6BG56GULEEVUGIEPBWA7FYRXG7 \
  | 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: f04ddf1a8b212b43208f0d81f2e23737e3e005c3a17d9450b09e0bffe3235dd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5c44368dd9c44aff56fa59a5dc59bef7d4246476ea165dd4b03695f66422626",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-16T10:11:35Z",
    "title_canon_sha256": "8c211314801fd311bddb3b64343df7f6c0dd622b0a7c0218497c356a0d9f3167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05602",
    "kind": "arxiv",
    "version": 1
  }
}