Pith Number

pith:R3P4UTGC

pith:2016:R3P4UTGC4GB4NSTUIPM24K7PWE

not attested not anchored not stored refs pending

E-commerce in Your Inbox: Product Recommendations at Scale

Doug Sharp, Jaikit Savla, Mihajlo Grbovic, Narayan Bhamidipati, Nemanja Djuric, Varun Bhagwan, Vladan Radosavljevic

arxiv:1606.07154 v1 · 2016-06-23 · cs.AI · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R3P4UTGC4GB4NSTUIPM24K7PWE}

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	2026-05-18T01:11:58.571258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8edfca4cc2e183c6ca7443d9ae2befb11229ad72b97e549aff4ef36625c089d5

Aliases

arxiv: 1606.07154 · arxiv_version: 1606.07154v1 · doi: 10.48550/arxiv.1606.07154 · pith_short_12: R3P4UTGC4GB4 · pith_short_16: R3P4UTGC4GB4NSTU · pith_short_8: R3P4UTGC

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/R3P4UTGC4GB4NSTUIPM24K7PWE \
  | 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: 8edfca4cc2e183c6ca7443d9ae2befb11229ad72b97e549aff4ef36625c089d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ee239482386038131fc2b80916cc60c0b9976c72ef85f839c523f05709b0efb",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-06-23T01:20:59Z",
    "title_canon_sha256": "c15a98b01f57ad31561b516326b68e2deb21613a93d6d2bcf820cb2ec3bee89b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07154",
    "kind": "arxiv",
    "version": 1
  }
}