Pith Number

pith:Z2PO4X6G

pith:2019:Z2PO4X6GVV3J32G3NW7FHM47RK

not attested not anchored not stored refs pending

Location, Occupation, and Semantics based Socioeconomic Status Inference on Twitter

Eric Fleury, Jacobo Levy Abitbol, M\'arton Karsai

arxiv:1901.05389 v1 · 2019-01-16 · cs.SI · cs.CL · cs.CY · physics.data-an · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2PO4X6GVV3J32G3NW7FHM47RK}

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	2026-05-17T23:56:11.012237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce9eee5fc6ad769de8db6dbe53b39f8aa08815e5c4c3f6f218f1c4a95415f46f

Aliases

arxiv: 1901.05389 · arxiv_version: 1901.05389v1 · doi: 10.48550/arxiv.1901.05389 · pith_short_12: Z2PO4X6GVV3J · pith_short_16: Z2PO4X6GVV3J32G3 · pith_short_8: Z2PO4X6G

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/Z2PO4X6GVV3J32G3NW7FHM47RK \
  | 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: ce9eee5fc6ad769de8db6dbe53b39f8aa08815e5c4c3f6f218f1c4a95415f46f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a906e374e233ce9810f9db1a0313283c625fb9f3cae709da48914bbc09c2c89",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.CY",
      "physics.data-an",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-01-16T16:56:14Z",
    "title_canon_sha256": "e33f0b722225af97b2f47144a323387be9a1c4b740269d42987e6068b6be900f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05389",
    "kind": "arxiv",
    "version": 1
  }
}