Pith Number

pith:VWEIM5H4

pith:2016:VWEIM5H4ZE3KKZRXFKHIQMPBC7

not attested not anchored not stored refs pending

You Are What Apps You Use: Demographic Prediction Based on User's Apps

Eric Malmi, Ingmar Weber

arxiv:1603.00059 v1 · 2016-02-29 · 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{VWEIM5H4ZE3KKZRXFKHIQMPBC7}

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	2026-05-18T01:19:49.276885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad888674fcc936a566372a8e8831e117eafc498296d5c26ab89c4b4e054a73ab

Aliases

arxiv: 1603.00059 · arxiv_version: 1603.00059v1 · doi: 10.48550/arxiv.1603.00059 · pith_short_12: VWEIM5H4ZE3K · pith_short_16: VWEIM5H4ZE3KKZRX · pith_short_8: VWEIM5H4

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/VWEIM5H4ZE3KKZRXFKHIQMPBC7 \
  | 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: ad888674fcc936a566372a8e8831e117eafc498296d5c26ab89c4b4e054a73ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f4150f0aa1c23314be35b5fbb0e68c3dddea6a3c33bfac51e7601ceff5b4c50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-02-29T21:43:21Z",
    "title_canon_sha256": "3ee1f269c13e01df1a0b317ea8c2f1f06856ac46e46ae8efb129fc6f70fe4c96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00059",
    "kind": "arxiv",
    "version": 1
  }
}