Pith Number

pith:3ZW2GF2K

pith:2019:3ZW2GF2KOKOXGWDVAMN5XXFR23

not attested not anchored not stored refs pending

Centralized Coded Caching with User Cooperation

Haoyu Yin, Jiahui Chen, Xiaowen You, Yanlin Geng, Youlong Wu

arxiv:1904.05487 v1 · 2019-04-11 · 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{3ZW2GF2KOKOXGWDVAMN5XXFR23}

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	2026-05-17T23:48:49.368051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de6da3174a729d735875031bdbdcb1d6e85b82f7862a4d349641ac9d3b43018d

Aliases

arxiv: 1904.05487 · arxiv_version: 1904.05487v1 · doi: 10.48550/arxiv.1904.05487 · pith_short_12: 3ZW2GF2KOKOX · pith_short_16: 3ZW2GF2KOKOXGWDV · pith_short_8: 3ZW2GF2K

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/3ZW2GF2KOKOXGWDVAMN5XXFR23 \
  | 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: de6da3174a729d735875031bdbdcb1d6e85b82f7862a4d349641ac9d3b43018d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "195fe8f6beaee75e80ce130eee665e348c8e9cb2d5cdf03e9ff2ead62bed9b7f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-11T00:34:56Z",
    "title_canon_sha256": "fb3ed5908bccc9fd383921b2ee053b272b572037d4b641cf0aee8d93d696e869"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05487",
    "kind": "arxiv",
    "version": 1
  }
}