Pith Number

pith:TFE2B5CP

pith:2019:TFE2B5CPTGVEU5YFHZMTTCJMJS

not attested not anchored not stored refs pending

The Africa-Dummy: Gone with the Millennium?

Max K\"ohler, Stefan Sperlich

arxiv:1903.02357 v1 · 2019-03-06 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFE2B5CPTGVEU5YFHZMTTCJMJS}

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	2026-05-17T23:51:55.511295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9949a0f44f99aa4a77053e5939892c4cbcdf790c4417577a5ba92fded4f84ed5

Aliases

arxiv: 1903.02357 · arxiv_version: 1903.02357v1 · doi: 10.48550/arxiv.1903.02357 · pith_short_12: TFE2B5CPTGVE · pith_short_16: TFE2B5CPTGVEU5YF · pith_short_8: TFE2B5CP

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/TFE2B5CPTGVEU5YFHZMTTCJMJS \
  | 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: 9949a0f44f99aa4a77053e5939892c4cbcdf790c4417577a5ba92fded4f84ed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45ec24268fc04d88134c629c8c863580103a9198e88794ad4bb7e70821d02217",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2019-03-06T13:18:13Z",
    "title_canon_sha256": "cf4306636e8c901ae4feff720f22832e461d8f9c74df4c794c043b855745573b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02357",
    "kind": "arxiv",
    "version": 1
  }
}