Pith Number

pith:6BLKHDNJ

pith:2016:6BLKHDNJACVS3I67HITU255UJJ

not attested not anchored not stored refs pending

Almost universal codes for fading wiretap channels

Cong Ling, Laura Luzzi, Roope Vehkalahti

arxiv:1601.02391 v1 · 2016-01-11 · cs.IT · math.IT · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6BLKHDNJACVS3I67HITU255UJJ}

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	2026-05-18T00:57:50.061219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f056a38da900ab2da3df3a274d77b44a67823e4cb606828d95bda9c67448843f

Aliases

arxiv: 1601.02391 · arxiv_version: 1601.02391v1 · doi: 10.48550/arxiv.1601.02391 · pith_short_12: 6BLKHDNJACVS · pith_short_16: 6BLKHDNJACVS3I67 · pith_short_8: 6BLKHDNJ

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/6BLKHDNJACVS3I67HITU255UJJ \
  | 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: f056a38da900ab2da3df3a274d77b44a67823e4cb606828d95bda9c67448843f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e168a9993e4124ae4a3db8712d225e4eaec3fcc2dee314e146595b3955d8dcb0",
    "cross_cats_sorted": [
      "math.IT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-01-11T10:44:11Z",
    "title_canon_sha256": "7767c7d0caf6bece50b6e9733eec27cac30ab171901fdf8e9c3b69798ed199e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02391",
    "kind": "arxiv",
    "version": 1
  }
}