Pith Number

pith:PQAF45RZ

pith:2015:PQAF45RZ4RMNVQS2KLPKNJOMFX

not attested not anchored not stored refs pending

Efficient Multiplex for Band-Limited Channels: Galois-Field Division Multiple Access

A.N. Kauffman, H.M. de Oliveira, R.M. Campello de Souza

arxiv:1505.04140 v1 · 2015-05-15 · 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{PQAF45RZ4RMNVQS2KLPKNJOMFX}

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	2026-05-18T02:09:39.968950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c005e7639e458dac25a52dea6a5cc2ddbae40c4c48186019cf83abf8acd0335

Aliases

arxiv: 1505.04140 · arxiv_version: 1505.04140v1 · doi: 10.48550/arxiv.1505.04140 · pith_short_12: PQAF45RZ4RMN · pith_short_16: PQAF45RZ4RMNVQS2 · pith_short_8: PQAF45RZ

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/PQAF45RZ4RMNVQS2KLPKNJOMFX \
  | 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: 7c005e7639e458dac25a52dea6a5cc2ddbae40c4c48186019cf83abf8acd0335

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e896ad637174b8afc585998f1284da6dc96d26ebe94c270b8e5120ddb3bd242f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-15T18:00:43Z",
    "title_canon_sha256": "8272957b397d2069ed326fc7f4b608dcf8cd58d6714baee1e0bce8ad0eb8a319"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04140",
    "kind": "arxiv",
    "version": 1
  }
}