Pith Number

pith:I6K4PE2E

pith:2017:I6K4PE2EP3M6IKPKEIDWOS22MC

not attested not anchored not stored refs pending

How well can machine learning predict demographics of social media users?

Christan Grant, Elaine O. Nsoesie, Hedwig Lee, Nina Cesare, Quynh Nguyen

arxiv:1702.01807 v2 · 2017-02-06 · cs.SI · 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{I6K4PE2EP3M6IKPKEIDWOS22MC}

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	2026-05-18T00:14:34.784848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4795c793447ed9e429ea2207674b5a609e5e801548886c6c638964a8097371bf

Aliases

arxiv: 1702.01807 · arxiv_version: 1702.01807v2 · doi: 10.48550/arxiv.1702.01807 · pith_short_12: I6K4PE2EP3M6 · pith_short_16: I6K4PE2EP3M6IKPK · pith_short_8: I6K4PE2E

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/I6K4PE2EP3M6IKPKEIDWOS22MC \
  | 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: 4795c793447ed9e429ea2207674b5a609e5e801548886c6c638964a8097371bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e80986919a61e3c86712d61319277b46160605fc790824cbb12b66d71811410",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2017-02-06T22:19:58Z",
    "title_canon_sha256": "84e2d763d0107076cf89fb9eb8ad5fc10402fff301bc95d38eaea3527054b1c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01807",
    "kind": "arxiv",
    "version": 2
  }
}