pith. sign in
Pith Number

pith:SFQGZFHA

pith:2015:SFQGZFHAMQ3KJIH7RB375P6HNY
not attested not anchored not stored refs pending

Where to Go on Your Next Trip? Optimizing Travel Destinations Based on User Preferences

Alexander Tuzhilin, Chad Davis, Djoerd Hiemstra, Ivan Kovacek, Jaap Kamps, Julia Kiseleva, Lucas Bernardi, Mats Stafseng Einarsen, Melanie J.I. M\"uller

arxiv:1506.00904 v1 · 2015-06-02 · cs.IR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SFQGZFHAMQ3KJIH7RB375P6HNY}

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 2026-05-18T01:32:07.972758Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

91606c94e06436a4a0ff8877febfc76e07fc7e9c9c5d0f984d36e18297348e10

Aliases

arxiv: 1506.00904 · arxiv_version: 1506.00904v1 · doi: 10.48550/arxiv.1506.00904 · pith_short_12: SFQGZFHAMQ3K · pith_short_16: SFQGZFHAMQ3KJIH7 · pith_short_8: SFQGZFHA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SFQGZFHAMQ3KJIH7RB375P6HNY \
  | 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: 91606c94e06436a4a0ff8877febfc76e07fc7e9c9c5d0f984d36e18297348e10
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "76b8deadac338bf6ae733b71ad0f456c4f1496829cfd96987a06e2baa0d93257",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-06-02T14:40:37Z",
    "title_canon_sha256": "6804ebf8ee27305dc9bcb191f7cd031515660c2c3799cbf838a88466edb5b4da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00904",
    "kind": "arxiv",
    "version": 1
  }
}