Pith Number

pith:WIM3BCWU

pith:2020:WIM3BCWUHLZVDSPOLTOCEZ33CH

not attested not anchored not stored refs pending

At Your Service: Coffee Beans Recommendation From a Robot Assistant

Angelo Cangelosi, Antonio Chella, Francesco Lanza, Gabriella Pizzuto, Jacopo de Berardinis, Jorge Meira

arxiv:2008.13585 v1 · 2020-08-26 · cs.IR · cs.HC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIM3BCWUHLZVDSPOLTOCEZ33CH}

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	2026-07-05T01:31:39.023282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b219b08ad43af351c9ee5cdc22677b11ce2a00b61587c4cad86a071d0f55eb56

Aliases

arxiv: 2008.13585 · arxiv_version: 2008.13585v1 · doi: 10.48550/arxiv.2008.13585 · pith_short_12: WIM3BCWUHLZV · pith_short_16: WIM3BCWUHLZVDSPO · pith_short_8: WIM3BCWU

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/WIM3BCWUHLZVDSPOLTOCEZ33CH \
  | 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: b219b08ad43af351c9ee5cdc22677b11ce2a00b61587c4cad86a071d0f55eb56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28bef0bff6001e4f85816869fffd5616029923025de57833a48b6bedc2f695f6",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-08-26T14:03:25Z",
    "title_canon_sha256": "6759244c662c8c98be648d885198030469d24e285177c0b537f7ae5a1468f512"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13585",
    "kind": "arxiv",
    "version": 1
  }
}