Pith Number

pith:EDBQUH2I

pith:2013:EDBQUH2IESACR5XHT4GC4PGF7H

not attested not anchored not stored refs pending

On Multiplicative Matrix Channels over Finite Chain Rings

Bartolomeu F. Uch\^oa-Filho, Chen Feng, Danilo Silva, Roberto W. N\'obrega

arxiv:1311.4861 v1 · 2013-11-19 · 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{EDBQUH2IESACR5XHT4GC4PGF7H}

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	2026-05-18T03:06:43.332878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20c30a1f48248028f6e79f0c2e3cc5f9e03f40b6ad422a4618b50fe1dac06651

Aliases

arxiv: 1311.4861 · arxiv_version: 1311.4861v1 · doi: 10.48550/arxiv.1311.4861 · pith_short_12: EDBQUH2IESAC · pith_short_16: EDBQUH2IESACR5XH · pith_short_8: EDBQUH2I

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/EDBQUH2IESACR5XHT4GC4PGF7H \
  | 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: 20c30a1f48248028f6e79f0c2e3cc5f9e03f40b6ad422a4618b50fe1dac06651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "400c42bd5b794b1012369e03c83847f308edf75cd9486b545ef2db3e518d3701",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-19T20:17:19Z",
    "title_canon_sha256": "b2a7c98509e7320094bf95bb3857273403dd2e2b43bf8d4c84ed836239fefe0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4861",
    "kind": "arxiv",
    "version": 1
  }
}