Pith Number

pith:XRYJV4S3

pith:2019:XRYJV4S3CRAJAFRCGCLNKGWQGV

not attested not anchored not stored refs pending

A New Design Framework on Device-to-Device Coded Caching with Optimal Rate and Significantly Less Subpacketizations

Mingyue Ji, Xiang Zhang

arxiv:1901.07057 v6 · 2019-01-21 · 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{XRYJV4S3CRAJAFRCGCLNKGWQGV}

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	2026-07-05T00:54:44.754559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc709af25b14409016223096d51ad03574f6e8c01df203e951a278c2b47bbfc9

Aliases

arxiv: 1901.07057 · arxiv_version: 1901.07057v6 · doi: 10.48550/arxiv.1901.07057 · pith_short_12: XRYJV4S3CRAJ · pith_short_16: XRYJV4S3CRAJAFRC · pith_short_8: XRYJV4S3

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/XRYJV4S3CRAJAFRCGCLNKGWQGV \
  | 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: bc709af25b14409016223096d51ad03574f6e8c01df203e951a278c2b47bbfc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0190da56362f960b26d0d1fdd3c66b889077fe0aa3d61cfa7624db5752b645b7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-21T20:00:57Z",
    "title_canon_sha256": "82e0d3de8ec395778e63d696fee4b4724887326a34725b770536bd6f039d77f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07057",
    "kind": "arxiv",
    "version": 6
  }
}