Pith Number

pith:5GCT4J3O

pith:2021:5GCT4J3O2TD5NAE5QYBAHMDMEX

not attested not anchored not stored refs pending

Resource efficiency and Circular Economy in European SMEs: Investigating the role of green jobs and skills

Francesca Bassi, Mariangela Guidolin

arxiv:2108.11610 v1 · 2021-08-26 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5GCT4J3O2TD5NAE5QYBAHMDMEX}

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	2026-07-05T03:09:08.164262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9853e276ed4c7d6809d860203b06c25f8733c31e73c2b1c73e7efed1a353301

Aliases

arxiv: 2108.11610 · arxiv_version: 2108.11610v1 · doi: 10.48550/arxiv.2108.11610 · pith_short_12: 5GCT4J3O2TD5 · pith_short_16: 5GCT4J3O2TD5NAE5 · pith_short_8: 5GCT4J3O

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/5GCT4J3O2TD5NAE5QYBAHMDMEX \
  | 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: e9853e276ed4c7d6809d860203b06c25f8733c31e73c2b1c73e7efed1a353301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e4122de2a1e051c39f63d9ba2f221d71ba180263c779b13675158743387940c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2021-08-26T07:07:52Z",
    "title_canon_sha256": "92942cfc80564d76e2ec33a69d8ac776ad490bcb7d041398c2051eb4c01f6d3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.11610",
    "kind": "arxiv",
    "version": 1
  }
}