Pith Number

pith:3YGMFQOZ

pith:2011:3YGMFQOZDRO327C4WVRLX4I6AP

not attested not anchored not stored refs pending

An Empirical Study on End-users Productivity Using Model-based Spreadsheets

J\'acome Cunha, Jo\~ao Paulo Fernandes, Jo\~ao Saraiva, Laura Beckwith

arxiv:1112.4190 v1 · 2011-12-18 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3YGMFQOZDRO327C4WVRLX4I6AP}

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	2026-05-18T04:06:06.871825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de0cc2c1d91c5dbd7c5cb562bbf11e03ec9db223254a824c62eae98c9fcffbac

Aliases

arxiv: 1112.4190 · arxiv_version: 1112.4190v1 · doi: 10.48550/arxiv.1112.4190 · pith_short_12: 3YGMFQOZDRO3 · pith_short_16: 3YGMFQOZDRO327C4 · pith_short_8: 3YGMFQOZ

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/3YGMFQOZDRO327C4WVRLX4I6AP \
  | 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: de0cc2c1d91c5dbd7c5cb562bbf11e03ec9db223254a824c62eae98c9fcffbac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ea69d3dcb75d2d22a083a9f24827ab50d04284cf25831128a9bef85ac5ae18c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2011-12-18T21:17:38Z",
    "title_canon_sha256": "604cda5a50264719b4f389386dd0359cb4ce452a712144167f68884e2c198dd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4190",
    "kind": "arxiv",
    "version": 1
  }
}