Pith Number

pith:R7EDGP4D

pith:2015:R7EDGP4DGT6UQZIYDS2MAWFLRL

not attested not anchored not stored refs pending

Estimating the Causal Impact of Recommendation Systems from Observational Data

Amit Sharma, Duncan J. Watts, Jake M. Hofman

arxiv:1510.05569 v1 · 2015-10-19 · cs.SI · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7EDGP4DGT6UQZIYDS2MAWFLRL}

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	2026-05-18T01:29:52.013949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc8333f8334fd4865181cb4c058ab8ac582f1eeebd0ee366d250c44bf0479a3

Aliases

arxiv: 1510.05569 · arxiv_version: 1510.05569v1 · doi: 10.48550/arxiv.1510.05569 · pith_short_12: R7EDGP4DGT6U · pith_short_16: R7EDGP4DGT6UQZIY · pith_short_8: R7EDGP4D

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/R7EDGP4DGT6UQZIYDS2MAWFLRL \
  | 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: 8fc8333f8334fd4865181cb4c058ab8ac582f1eeebd0ee366d250c44bf0479a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bc77bb7e663f0d39f69f8cd40091038434bf3461f375d761317d460089410ff",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-10-19T16:27:49Z",
    "title_canon_sha256": "eecddf934d53945fa5a8049d70f8dbfb890894bde47b3c521ced4da97fd624e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05569",
    "kind": "arxiv",
    "version": 1
  }
}