Pith Number

pith:UPIWT5YP

pith:2025:UPIWT5YPXE6FJLQ4DIDRUAZW3F

not attested not anchored not stored refs pending

Self-directed online information search can affect policy support: a randomized encouragement design with digital behavioral data

Andreas Spitz, Celina Kacperski, Denis Bonnay, Juhi Kulshrestha, Peter Selb, Roberto Ulloa

arxiv:2501.03097 v3 · 2025-01-06 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPIWT5YPXE6FJLQ4DIDRUAZW3F}

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	2026-05-28T01:04:26.034072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3d169f70fb93c54ae1c1a071a0336d9583a9ef2edf3d221345beb2f8854523b

Aliases

arxiv: 2501.03097 · arxiv_version: 2501.03097v3 · doi: 10.48550/arxiv.2501.03097 · pith_short_12: UPIWT5YPXE6F · pith_short_16: UPIWT5YPXE6FJLQ4 · pith_short_8: UPIWT5YP

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/UPIWT5YPXE6FJLQ4DIDRUAZW3F \
  | 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: a3d169f70fb93c54ae1c1a071a0336d9583a9ef2edf3d221345beb2f8854523b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6668af0debcc70e5828e1169f48e1b8492b6f871a2ad032e8cb826eeccdc4b5a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-01-06T15:55:31Z",
    "title_canon_sha256": "edca06f81e3046363ade8565ce36929b952e76f69ea985b9b00c9655584f237c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.03097",
    "kind": "arxiv",
    "version": 3
  }
}