Pith Number

pith:AMYV5SZ7

pith:2018:AMYV5SZ7JXCNRYY7IH7U6UUG5S

not attested not anchored not stored refs pending

Popularity-Aware Item Weighting for Long-Tail Recommendation

Bamshad Mobasher, Himan Abdollahpouri, Robin Burke

arxiv:1802.05382 v3 · 2018-02-15 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMYV5SZ7JXCNRYY7IH7U6UUG5S}

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	2026-05-17T23:59:01.928062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03315ecb3f4dc4d8e31f41ff4f5286ec9480e89edae9ea7608141102285014a2

Aliases

arxiv: 1802.05382 · arxiv_version: 1802.05382v3 · doi: 10.48550/arxiv.1802.05382 · pith_short_12: AMYV5SZ7JXCN · pith_short_16: AMYV5SZ7JXCNRYY7 · pith_short_8: AMYV5SZ7

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/AMYV5SZ7JXCNRYY7IH7U6UUG5S \
  | 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: 03315ecb3f4dc4d8e31f41ff4f5286ec9480e89edae9ea7608141102285014a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ec1cc7d0e0e37a7a6f349c3a3f537fc5270c32efc81c46717af3bb7171c4a7c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-02-15T01:53:59Z",
    "title_canon_sha256": "2f7304453c2ef171cc32e2f827f01580f3a465848a459b810f6a9e86302ceecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05382",
    "kind": "arxiv",
    "version": 3
  }
}