Pith Number

pith:XPYIUJK2

pith:2017:XPYIUJK2HWCDCSZFUDICHNINMA

not attested not anchored not stored refs pending

How Gamification Affects Physical Activity: Large-scale Analysis of Walking Challenges in a Mobile Application

Ali Shameli, Amin Saberi, Jure Leskovec, Tim Althoff

arxiv:1702.07437 v1 · 2017-02-24 · cs.CY · cs.HC · cs.MM · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPYIUJK2HWCDCSZFUDICHNINMA}

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	2026-05-18T00:50:03.352868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbf08a255a3d84314b25a0d023b50d602855d6785f46dcdbef3cc778c09c7c91

Aliases

arxiv: 1702.07437 · arxiv_version: 1702.07437v1 · doi: 10.48550/arxiv.1702.07437 · pith_short_12: XPYIUJK2HWCD · pith_short_16: XPYIUJK2HWCDCSZF · pith_short_8: XPYIUJK2

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/XPYIUJK2HWCDCSZFUDICHNINMA \
  | 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: bbf08a255a3d84314b25a0d023b50d602855d6785f46dcdbef3cc778c09c7c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9405f10795d6c8d6ea3f28bb19f0b192964e6c9f43c2cb5acc846ae392b03da",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.MM",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-02-24T01:32:02Z",
    "title_canon_sha256": "e10c83492430e093bcc89e6346619d8f81d49f5aa85548e72d560e31ef6fa258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07437",
    "kind": "arxiv",
    "version": 1
  }
}