Pith Number
pith:4RPFWBZG
pith:2007:4RPFWBZGI4BUL7ALZX72D2XE2X
not attested
not anchored
not stored
refs pending
Direct Optimization of Ranking Measures
arxiv:0704.3359 v1 · 2007-04-25 · cs.IR · cs.AI
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4RPFWBZGI4BUL7ALZX72D2XE2X}
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
· sign in to
claim
4
Citations
5
Replications
✓
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.
Cited by
Receipt and verification
| First computed | 2026-07-04T15:01:04.034773Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
e45e5b0726470345fc0bcdffa1eae4d5eeb83a454683353d2b617337b5358ea9
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4RPFWBZGI4BUL7ALZX72D2XE2X \
| 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: e45e5b0726470345fc0bcdffa1eae4d5eeb83a454683353d2b617337b5358ea9
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "941f70012e6bd9e1d2e3439a039a3e48bad12544f140b6d90a27e2ecf95c7282",
"cross_cats_sorted": [
"cs.AI"
],
"license": "",
"primary_cat": "cs.IR",
"submitted_at": "2007-04-25T12:36:55Z",
"title_canon_sha256": "9dfc4f39f58e32f6e1d6cb522bc158ba8eca9ad28c1d336b5679657046e0984c"
},
"schema_version": "1.0",
"source": {
"id": "0704.3359",
"kind": "arxiv",
"version": 1
}
}