Pith Number

pith:EWKLWUIN

pith:2014:EWKLWUINJHXMW5BV64W5HODEDT

not attested not anchored not stored refs pending

Gamification, virality and retention in educational online platform. Measurable indicators and market entry strategy

Alex A. Volinsky, Ilya V. Osipov, Vadim V. Grishin

arxiv:1412.5401 v1 · 2014-12-17 · cs.CY · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWKLWUINJHXMW5BV64W5HODEDT}

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	2026-05-18T00:44:42.717239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2594bb510d49eecb7435f72dd3b8641cc7428637bb8b56d085ea9bd7a92a56ab

Aliases

arxiv: 1412.5401 · arxiv_version: 1412.5401v1 · doi: 10.48550/arxiv.1412.5401 · pith_short_12: EWKLWUINJHXM · pith_short_16: EWKLWUINJHXMW5BV · pith_short_8: EWKLWUIN

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/EWKLWUINJHXMW5BV64W5HODEDT \
  | 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: 2594bb510d49eecb7435f72dd3b8641cc7428637bb8b56d085ea9bd7a92a56ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deae710b75351164635efe172caa3e8d18d0107606be5ed2b5ff6d1be2b6ca4a",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2014-12-17T14:13:34Z",
    "title_canon_sha256": "1e8f2907727d3a59f544f824e4e4d44d39a971585300af77dfdba229c736cdb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5401",
    "kind": "arxiv",
    "version": 1
  }
}