Pith Number

pith:WQQVSST3

pith:2012:WQQVSST3XFJLMPG2UAYVVTE744

not attested not anchored not stored refs pending

Use of Repositories and its Significance for Engineering Education / El Uso de Repositorios y su Importancia para la Educaci\'on en Ingenier\'ia

Ariel Lira, Gonzalo Villarreal, Jose Texier, Marisa De Giusti, Nestor Oviedo

arxiv:1210.5224 v2 · 2012-10-18 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQQVSST3XFJLMPG2UAYVVTE744}

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	2026-05-18T03:41:55.886511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b421594a7bb952b63cdaa0315acc9fe73a877ea1bdd07fb40f55964658aabd97

Aliases

arxiv: 1210.5224 · arxiv_version: 1210.5224v2 · doi: 10.48550/arxiv.1210.5224 · pith_short_12: WQQVSST3XFJL · pith_short_16: WQQVSST3XFJLMPG2 · pith_short_8: WQQVSST3

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/WQQVSST3XFJLMPG2UAYVVTE744 \
  | 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: b421594a7bb952b63cdaa0315acc9fe73a877ea1bdd07fb40f55964658aabd97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df8bb3f204736c3aa5c607dfa10a7d79f486b57249da848221c85820763529e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2012-10-18T19:08:35Z",
    "title_canon_sha256": "3c561c3a861c391bd119aada8823545d0f2a786bf6cc33ec2ccca90e1be34336"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5224",
    "kind": "arxiv",
    "version": 2
  }
}