Pith Number

pith:RU3VJLTX

pith:2010:RU3VJLTXOAPXQVLPKUGXIM3LF6

not attested not anchored not stored refs pending

Educational asymmetries in the making: Science Fair Competitions as Proxies of the Economic Development

Dejan Vinkovic, Dunja Potocnik

arxiv:1007.2443 v1 · 2010-07-14 · physics.ed-ph · 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{RU3VJLTXOAPXQVLPKUGXIM3LF6}

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	2026-07-04T17:31:50.082835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d3754ae77701f78556f550d74336b2fbe5530a5d59bb1070d3c59d6c034f337

Aliases

arxiv: 1007.2443 · arxiv_version: 1007.2443v1 · doi: 10.48550/arxiv.1007.2443 · pith_short_12: RU3VJLTXOAPX · pith_short_16: RU3VJLTXOAPXQVLP · pith_short_8: RU3VJLTX

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/RU3VJLTXOAPXQVLPKUGXIM3LF6 \
  | 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: 8d3754ae77701f78556f550d74336b2fbe5530a5d59bb1070d3c59d6c034f337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3ad1fe3c407263697f2b4692bfccf23aaaa1077dde4babc5941c9a92474de5",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2010-07-14T22:03:48Z",
    "title_canon_sha256": "48181c0e00b9309cec1575cb8eda78bde7706819864ae4acaa970fc8c5f21b2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2443",
    "kind": "arxiv",
    "version": 1
  }
}