Pith Number

pith:73UTX7TG

pith:2016:73UTX7TGX4QEIH6T32GY65UQO4

not attested not anchored not stored refs pending

Relative generalized matrix weights of matrix codes for universal security on wire-tap networks

Ryutaroh Matsumoto, Umberto Mart\'inez-Pe\~nas

arxiv:1612.01888 v2 · 2016-12-06 · 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{73UTX7TGX4QEIH6T32GY65UQO4}

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	2026-05-18T00:19:59.295216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fee93bfe66bf20441fd3de8d8f769077176e507e58c677b4541e96f33be57e46

Aliases

arxiv: 1612.01888 · arxiv_version: 1612.01888v2 · doi: 10.48550/arxiv.1612.01888 · pith_short_12: 73UTX7TGX4QE · pith_short_16: 73UTX7TGX4QEIH6T · pith_short_8: 73UTX7TG

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/73UTX7TGX4QEIH6T32GY65UQO4 \
  | 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: fee93bfe66bf20441fd3de8d8f769077176e507e58c677b4541e96f33be57e46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb9fd949c4ed4058e01bea3e183077df50bbf28a2b6e853c71c9a1861b4b4bb0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-12-06T16:21:31Z",
    "title_canon_sha256": "74d3be38ec596307bb530f35772471d1492f9f7fc1760826679fc93fd0b7a127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01888",
    "kind": "arxiv",
    "version": 2
  }
}