Pith Number

pith:A5FNAPOU

pith:2025:A5FNAPOU7YHDKZFFTH3IMGC5IC

not attested not anchored not stored refs pending

PDA Construction via Union of Cartesian Product Cache Configurations for Coded Caching

Giuseppe Caire, Jinyu Wang, Kai Wan, Minquan Cheng

arxiv:2501.11834 v1 · 2025-01-21 · 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{A5FNAPOU7YHDKZFFTH3IMGC5IC}

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	2026-07-05T10:03:14.567437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

074ad03dd4fe0e3564a599f686185d409c9ab2ebd25d8a5c271d46313a409a40

Aliases

arxiv: 2501.11834 · arxiv_version: 2501.11834v1 · doi: 10.48550/arxiv.2501.11834 · pith_short_12: A5FNAPOU7YHD · pith_short_16: A5FNAPOU7YHDKZFF · pith_short_8: A5FNAPOU

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/A5FNAPOU7YHDKZFFTH3IMGC5IC \
  | 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: 074ad03dd4fe0e3564a599f686185d409c9ab2ebd25d8a5c271d46313a409a40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85422a085fe7e3ba4618f75bb73a96bbecaa72d13582e6f3ca07b0fdf1f3eaae",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-01-21T02:35:31Z",
    "title_canon_sha256": "200dd3986d28a357240b87ab8b6a6478468667d6d7d6339a99fb5a8eee0735d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11834",
    "kind": "arxiv",
    "version": 1
  }
}