Pith Number

pith:IUM4HHQ6

pith:2019:IUM4HHQ6BC57ZUV37HCKEBLWID

not attested not anchored not stored refs pending

Towards Understanding and Detecting Fake Reviews in App Stores

Daniel Martens, Walid Maalej

arxiv:1904.12607 v1 · 2019-04-11 · cs.IR · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUM4HHQ6BC57ZUV37HCKEBLWID}

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	2026-05-17T23:47:34.643821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4519c39e1e08bbfcd2bbf9c4a2057640f701b753a2de5e1ed8a7e9970c389f55

Aliases

arxiv: 1904.12607 · arxiv_version: 1904.12607v1 · doi: 10.48550/arxiv.1904.12607 · pith_short_12: IUM4HHQ6BC57 · pith_short_16: IUM4HHQ6BC57ZUV3 · pith_short_8: IUM4HHQ6

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/IUM4HHQ6BC57ZUV37HCKEBLWID \
  | 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: 4519c39e1e08bbfcd2bbf9c4a2057640f701b753a2de5e1ed8a7e9970c389f55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e15c1ccf51813794e1f4e8b2ff65d0a9e9721402c62a0ab2c691f77ba32daa6",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-11T18:01:04Z",
    "title_canon_sha256": "0a0d6112b224f20ae04d2f4bb7bc26bc9f8daecb9bacfb832191a3c3f564b19b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12607",
    "kind": "arxiv",
    "version": 1
  }
}