Pith Number

pith:OIZGOUPO

pith:2016:OIZGOUPOZQU3PXCKULROYTA7RR

not attested not anchored not stored refs pending

Learning to Rank Questions for Community Question Answering with Ranking SVM

Minh-Le Nguyen, Minh-Tien Nguyen, Truong-Son Nguyen, Viet-Anh Phan

arxiv:1608.04185 v3 · 2016-08-15 · 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{OIZGOUPOZQU3PXCKULROYTA7RR}

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	2026-05-18T01:04:55.499001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72326751eecc29b7dc4aa2e2ec4c1f8c68e544291a654c56edb93bf9b0add9fd

Aliases

arxiv: 1608.04185 · arxiv_version: 1608.04185v3 · doi: 10.48550/arxiv.1608.04185 · pith_short_12: OIZGOUPOZQU3 · pith_short_16: OIZGOUPOZQU3PXCK · pith_short_8: OIZGOUPO

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/OIZGOUPOZQU3PXCKULROYTA7RR \
  | 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: 72326751eecc29b7dc4aa2e2ec4c1f8c68e544291a654c56edb93bf9b0add9fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b615bf0274553461eff78cf0259edaddeba43366946e04e47c50044cdfd6ee2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-08-15T06:16:18Z",
    "title_canon_sha256": "f6a78e59ebbc16fa610b8f812c32c788e8a5ff9cf9adc875540f0ead18856de6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04185",
    "kind": "arxiv",
    "version": 3
  }
}