Pith Number

pith:BTH4TVMW

pith:2025:BTH4TVMWBT7JBW35OZNFZPVO5Y

not attested not anchored not stored refs pending

Educational programs and crime: a compartmental model approach

Alessandro Ramponi, M. Elisabetta Tessitore

arxiv:2505.17831 v1 · 2025-05-23 · physics.soc-ph · math.DS · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTH4TVMWBT7JBW35OZNFZPVO5Y}

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	2026-07-05T11:08:32.508126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ccfc9d5960cfe90db7d765a5cbeaeee25c84718db4ab3423fd5f599f9899079

Aliases

arxiv: 2505.17831 · arxiv_version: 2505.17831v1 · doi: 10.48550/arxiv.2505.17831 · pith_short_12: BTH4TVMWBT7J · pith_short_16: BTH4TVMWBT7JBW35 · pith_short_8: BTH4TVMW

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/BTH4TVMWBT7JBW35OZNFZPVO5Y \
  | 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: 0ccfc9d5960cfe90db7d765a5cbeaeee25c84718db4ab3423fd5f599f9899079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f255b59c755ef8d413ee3ddca9b06247f57817cf8397e8a791a4097e8d1b84a2",
    "cross_cats_sorted": [
      "math.DS",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2025-05-23T12:44:28Z",
    "title_canon_sha256": "bae2af1051891d878f11e5ec9ebfd0e369924374d737c5efd2dfc9080b640cd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.17831",
    "kind": "arxiv",
    "version": 1
  }
}