Pith Number

pith:WTYLMQ2K

pith:2012:WTYLMQ2KPEWLGKT33ZZFIOQKGV

not attested not anchored not stored refs pending

The Best Answers? Think Twice: Online Detection of Commercial Campaigns in the CQA Forums

Cheng Chen, Kesav Bharadwaj R, Kui Wu, Venkatesh Srinivasan

arxiv:1208.1448 v2 · 2012-08-07 · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTYLMQ2KPEWLGKT33ZZFIOQKGV}

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	2026-05-18T03:37:08.266571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4f0b6434a792cb32a7bde72543a0a357c89290511d01fc98eb18e94895d383e

Aliases

arxiv: 1208.1448 · arxiv_version: 1208.1448v2 · doi: 10.48550/arxiv.1208.1448 · pith_short_12: WTYLMQ2KPEWL · pith_short_16: WTYLMQ2KPEWLGKT3 · pith_short_8: WTYLMQ2K

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/WTYLMQ2KPEWLGKT33ZZFIOQKGV \
  | 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: b4f0b6434a792cb32a7bde72543a0a357c89290511d01fc98eb18e94895d383e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b48c2b97c40880ad397cdd500b0f095070fcb1501c3e17a9930766c77dd49b96",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-08-07T15:41:33Z",
    "title_canon_sha256": "1204a119a8ee100da0a47909bb6f8892d55466ae7e03af234996bb11a5bfe302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1448",
    "kind": "arxiv",
    "version": 2
  }
}