Pith Number

pith:HZP5ZO4U

pith:2021:HZP5ZO4UKUZVDVGUEAUT4QN5AM

not attested not anchored not stored refs pending

On the Optimal Memory-Load Tradeoff of Coded Caching for Location-Based Content

Giuseppe Caire, Kai Wan, Mari Kobayashi, Minquan Cheng

arxiv:2109.06016 v2 · 2021-09-13 · 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{HZP5ZO4UKUZVDVGUEAUT4QN5AM}

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	2026-07-05T04:05:59.635438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e5fdcbb94553351d4d420293e41bd033ac56573e01d75868942a9edd6619994

Aliases

arxiv: 2109.06016 · arxiv_version: 2109.06016v2 · doi: 10.48550/arxiv.2109.06016 · pith_short_12: HZP5ZO4UKUZV · pith_short_16: HZP5ZO4UKUZVDVGU · pith_short_8: HZP5ZO4U

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/HZP5ZO4UKUZVDVGUEAUT4QN5AM \
  | 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: 3e5fdcbb94553351d4d420293e41bd033ac56573e01d75868942a9edd6619994

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1631f262cc26d57d49c4e92422fb6bd17e0743f6c00b97f37f1e72787b1838b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-09-13T14:50:24Z",
    "title_canon_sha256": "0c0c7e3876c08179b1445cd75371adde77b146bc53dc35d121249c1c24fda47e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06016",
    "kind": "arxiv",
    "version": 2
  }
}