Pith Number

pith:R7KHVOEW

pith:2021:R7KHVOEWDBJHHLQVPN74TXQ2BY

not attested not anchored not stored refs pending

Out-of-Town Recommendation with Travel Intention Modeling

Dejing Dou, Hao Liu, Haoran Xin, Hui Xiong, Jingjing Gu, Tong Xu, Xinjiang Lu

arxiv:2101.12555 v2 · 2021-01-29 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7KHVOEWDBJHHLQVPN74TXQ2BY}

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	2026-07-05T02:13:22.266708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd47ab896185273ae157b7fc9de1a0e070f6340793594e5aa631598c51b45ba

Aliases

arxiv: 2101.12555 · arxiv_version: 2101.12555v2 · doi: 10.48550/arxiv.2101.12555 · pith_short_12: R7KHVOEWDBJH · pith_short_16: R7KHVOEWDBJHHLQV · pith_short_8: R7KHVOEW

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/R7KHVOEWDBJHHLQVPN74TXQ2BY \
  | 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: 8fd47ab896185273ae157b7fc9de1a0e070f6340793594e5aa631598c51b45ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6423018ca381fbef940e020ec39f03bb5e623cce33cd510d3524d7983f316640",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-01-29T13:14:29Z",
    "title_canon_sha256": "c17257d32459f58d30e841fafabb7b11581a9ca1bdbfef4e97a3d81faf0ba322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.12555",
    "kind": "arxiv",
    "version": 2
  }
}