Pith Number

pith:EC5IBZGE

pith:2020:EC5IBZGEVLRLUKROOPZICTC7TM

not attested not anchored not stored refs pending

An Index Coding Approach to Caching with Uncoded Cache Placement

Daniela Tuninetti, Kai Wan, Pablo Piantanida

arxiv:2001.04810 v1 · 2020-01-14 · 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{EC5IBZGEVLRLUKROOPZICTC7TM}

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	2026-07-05T00:33:29.834565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20ba80e4c4aae2ba2a2e73f2814c5f9b3618135bf14771954b24bfa5a2a4558f

Aliases

arxiv: 2001.04810 · arxiv_version: 2001.04810v1 · doi: 10.48550/arxiv.2001.04810 · pith_short_12: EC5IBZGEVLRL · pith_short_16: EC5IBZGEVLRLUKRO · pith_short_8: EC5IBZGE

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/EC5IBZGEVLRLUKROOPZICTC7TM \
  | 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: 20ba80e4c4aae2ba2a2e73f2814c5f9b3618135bf14771954b24bfa5a2a4558f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc491f495a33f9479b4febdf2375fba138b8cd9dbec3b993cd94f2f4f8640d90",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-01-14T14:42:07Z",
    "title_canon_sha256": "2c668caa2bb72cf2eb7bd3e5fbbb12c0c60a11fb6a55aa56a5c697108c3081b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.04810",
    "kind": "arxiv",
    "version": 1
  }
}