Pith Number

pith:CBW5QHZ4

pith:2019:CBW5QHZ4MX5OAXLZCJ345SNRFV

not attested not anchored not stored refs pending

Device-to-Device Coded Caching with Distinct Cache Sizes

Abdelrahman M. Ibrahim, Ahmed A. Zewail, Aylin Yener

arxiv:1903.08142 v1 · 2019-03-19 · 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{CBW5QHZ4MX5OAXLZCJ345SNRFV}

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	2026-05-17T23:50:52.831023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

106dd81f3c65fae05d791277cec9b12d530df0f87191c618170cd7fb67ea7caa

Aliases

arxiv: 1903.08142 · arxiv_version: 1903.08142v1 · doi: 10.48550/arxiv.1903.08142 · pith_short_12: CBW5QHZ4MX5O · pith_short_16: CBW5QHZ4MX5OAXLZ · pith_short_8: CBW5QHZ4

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/CBW5QHZ4MX5OAXLZCJ345SNRFV \
  | 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: 106dd81f3c65fae05d791277cec9b12d530df0f87191c618170cd7fb67ea7caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c928cf91bb7dcb2bfa87f46e0a7a14e4415220a69d1a3bb5efe30864387c50c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-19T17:56:17Z",
    "title_canon_sha256": "321bbdf3fffeabb0d75bab0d5ebaddc200a4c90d0eb4cc9e92e116c173df844a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08142",
    "kind": "arxiv",
    "version": 1
  }
}