Pith Number

pith:KZQ7JZHT

pith:2017:KZQ7JZHT6744ZC544W6FHEWFZJ

not attested not anchored not stored refs pending

Happy Travelers Take Big Pictures: A Psychological Study with Machine Learning and Big Data

Lixin Fan, Song Tong, Xuefeng Liang, Yang Liu, Yuen Peng Loh

arxiv:1709.07584 v1 · 2017-09-22 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZQ7JZHT6744ZC544W6FHEWFZJ}

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	2026-05-18T00:34:32.779386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5661f4e4f3f7f9cc8bbce5bc5392c5ca5702e7114c34616c60c0f39f1cdc5126

Aliases

arxiv: 1709.07584 · arxiv_version: 1709.07584v1 · doi: 10.48550/arxiv.1709.07584 · pith_short_12: KZQ7JZHT6744 · pith_short_16: KZQ7JZHT6744ZC54 · pith_short_8: KZQ7JZHT

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/KZQ7JZHT6744ZC544W6FHEWFZJ \
  | 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: 5661f4e4f3f7f9cc8bbce5bc5392c5ca5702e7114c34616c60c0f39f1cdc5126

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ab3dc5d222d13c5adaf57c1b1cdd852af7d3eb897a0f5b14957ddf1a299451",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-22T03:25:34Z",
    "title_canon_sha256": "9debe4caabd46528e974c428d7af560f1d05b472c9e9331d0dabb0c0a4393da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07584",
    "kind": "arxiv",
    "version": 1
  }
}