Pith. sign in
Pith Number

pith:T6RCRRNQ

pith:2021:T6RCRRNQUYCG2CORKKET3J4I3Y
not attested not anchored not stored refs pending

"Are you sure?": Preliminary Insights from Scaling Product Comparisons to Multiple Shops

Bingqing Yu, Jacopo Tagliabue, Patrick John Chia

arxiv:2107.03256 v2 · 2021-07-07 · cs.IR · cs.LG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{T6RCRRNQUYCG2CORKKET3J4I3Y}

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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 2026-07-05T02:56:17.348654Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9fa228c5b0a6046d09d152893da788de0435b5d20010d5beb0c97711c92e20a6

Aliases

arxiv: 2107.03256 · arxiv_version: 2107.03256v2 · doi: 10.48550/arxiv.2107.03256 · pith_short_12: T6RCRRNQUYCG · pith_short_16: T6RCRRNQUYCG2COR · pith_short_8: T6RCRRNQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/T6RCRRNQUYCG2CORKKET3J4I3Y \
  | 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: 9fa228c5b0a6046d09d152893da788de0435b5d20010d5beb0c97711c92e20a6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0383f6304d2269e36e45f5dac84921a030301bb5dc3b52c08a5eb1f54e6de849",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-07-07T14:39:52Z",
    "title_canon_sha256": "aa4c8fafb88c760625b2712f566c25e88dc0b53b7b76c2eed0446ff55305dadc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03256",
    "kind": "arxiv",
    "version": 2
  }
}