Pith Number

pith:NGL6STCR

pith:2016:NGL6STCRYS4CSQ3JDA5A3SI7VY

not attested not anchored not stored refs pending

On the Mathematical Relationship between Expected n-call@k and the Relevance vs. Diversity Trade-off

Kar Wai Lim, Scott Sanner, Shengbo Guo

arxiv:1609.06568 v1 · 2016-09-21 · 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{NGL6STCRYS4CSQ3JDA5A3SI7VY}

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	2026-05-18T01:04:07.908733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6997e94c51c4b8294369183a0dc91fae297de18a3f3a84135cfb6006b6b70865

Aliases

arxiv: 1609.06568 · arxiv_version: 1609.06568v1 · doi: 10.48550/arxiv.1609.06568 · pith_short_12: NGL6STCRYS4C · pith_short_16: NGL6STCRYS4CSQ3J · pith_short_8: NGL6STCR

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/NGL6STCRYS4CSQ3JDA5A3SI7VY \
  | 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: 6997e94c51c4b8294369183a0dc91fae297de18a3f3a84135cfb6006b6b70865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73c4664e394db9622d9831556ba2f155d7f86ecf7cdb8c102201d0f6920defb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-09-21T14:11:27Z",
    "title_canon_sha256": "e38c32e9fc896523385982db24d42768faa9a70859e41a4bd2062bafff8dc259"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06568",
    "kind": "arxiv",
    "version": 1
  }
}