Pith Number

pith:XLXUD37F

pith:2017:XLXUD37F6AVDLORHEIR6KN77OV

not attested not anchored not stored refs pending

A Location-Sentiment-Aware Recommender System for Both Home-Town and Out-of-Town Users

Changying Du, Hao Wang, Hongzhi Yin, Hui Xiong, Qinyong Wang, Yanmei Fu

arxiv:1706.06239 v1 · 2017-06-20 · cs.SI · 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{XLXUD37F6AVDLORHEIR6KN77OV}

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	2026-05-18T00:42:03.822888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baef41efe5f02a35ba272223e537ff75422092387a99ba3baae7a0d9b809e1a8

Aliases

arxiv: 1706.06239 · arxiv_version: 1706.06239v1 · doi: 10.48550/arxiv.1706.06239 · pith_short_12: XLXUD37F6AVD · pith_short_16: XLXUD37F6AVDLORH · pith_short_8: XLXUD37F

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/XLXUD37F6AVDLORHEIR6KN77OV \
  | 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: baef41efe5f02a35ba272223e537ff75422092387a99ba3baae7a0d9b809e1a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30ee34a46cfded365d19691e792839190acc0753f5b4b9842e5ae6b1b912bced",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2017-06-20T01:54:01Z",
    "title_canon_sha256": "bb776a3da4a994311342f56d844f53f30d48f57e14726e1a5d5989f4d5958102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06239",
    "kind": "arxiv",
    "version": 1
  }
}