Pith Number

pith:XSOLI2U6

pith:2018:XSOLI2U646PSWGOGRVRGQO5XVS

not attested not anchored not stored refs pending

Coded Caching with Shared Caches: Fundamental Limits with Uncoded Prefetching

Ay\c{s}e \"Unsal, Emanuele Parrinello, Petros Elia

arxiv:1809.09422 v3 · 2018-09-25 · 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{XSOLI2U646PSWGOGRVRGQO5XVS}

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	2026-05-18T00:03:14.765533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc9cb46a9ee79f2b19c68d62683bb7acb793cce64db490d772daf9ad2003a6b6

Aliases

arxiv: 1809.09422 · arxiv_version: 1809.09422v3 · doi: 10.48550/arxiv.1809.09422 · pith_short_12: XSOLI2U646PS · pith_short_16: XSOLI2U646PSWGOG · pith_short_8: XSOLI2U6

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/XSOLI2U646PSWGOGRVRGQO5XVS \
  | 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: bc9cb46a9ee79f2b19c68d62683bb7acb793cce64db490d772daf9ad2003a6b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84c194a5118be77094278744fbf6b272af969a7996804a4e19393694f70dc2d3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-25T12:00:43Z",
    "title_canon_sha256": "314616e41f3b7bc1addfc0d65446b663e1977875d64b7e52635f775a0bd6ac08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09422",
    "kind": "arxiv",
    "version": 3
  }
}