Pith Number

pith:AFRJ4H6B

pith:2021:AFRJ4H6BE44YULYJRHM4DGY72F

not attested not anchored not stored refs pending

Toward the Next Generation of News Recommender Systems

Bamshad Mobasher, Edward Malthouse, Himan Abdollahpouri, Jeremy Gilbert, Joseph Konstan

arxiv:2103.06909 v1 · 2021-03-11 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFRJ4H6BE44YULYJRHM4DGY72F}

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	2026-07-05T02:22:26.582807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01629e1fc127398a2f0989d9c19b1fd153f2ae369086e869d68ade514d9b1a17

Aliases

arxiv: 2103.06909 · arxiv_version: 2103.06909v1 · doi: 10.48550/arxiv.2103.06909 · pith_short_12: AFRJ4H6BE44Y · pith_short_16: AFRJ4H6BE44YULYJ · pith_short_8: AFRJ4H6B

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/AFRJ4H6BE44YULYJRHM4DGY72F \
  | 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: 01629e1fc127398a2f0989d9c19b1fd153f2ae369086e869d68ade514d9b1a17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f80f1669383922a9b0697e35017d30544d400c74024332f44bd941dcbbb90dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-03-11T19:07:06Z",
    "title_canon_sha256": "07ade04a7833c56d8b734fe43705eb45e9bf6f3db02f611a38f8efbb8a064cd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06909",
    "kind": "arxiv",
    "version": 1
  }
}