Pith Number

pith:NX3VGRPM

pith:2018:NX3VGRPMCCGMXNAQXE4TA7HEHE

not attested not anchored not stored refs pending

Complexity of products: the effect of data regularisation

Orazio Angelini, Tiziana Di Matteo

arxiv:1808.08249 v2 · 2018-08-24 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NX3VGRPMCCGMXNAQXE4TA7HEHE}

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	2026-05-18T00:00:50.836111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6df75345ec108ccbb410b939307ce4391c760a0f802ce78ba4ac4a5363b57f14

Aliases

arxiv: 1808.08249 · arxiv_version: 1808.08249v2 · doi: 10.48550/arxiv.1808.08249 · pith_short_12: NX3VGRPMCCGM · pith_short_16: NX3VGRPMCCGMXNAQ · pith_short_8: NX3VGRPM

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/NX3VGRPMCCGMXNAQXE4TA7HEHE \
  | 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: 6df75345ec108ccbb410b939307ce4391c760a0f802ce78ba4ac4a5363b57f14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f4547acd07caf737601a95bbb30b378a604f61cbb969712848b8d44a35aa949",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2018-08-24T18:10:21Z",
    "title_canon_sha256": "39111c625ea63ed23890c147a7c58b3b8dce4ba2cf0eb4bb4db961e01da18ad7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08249",
    "kind": "arxiv",
    "version": 2
  }
}