Pith Number

pith:HVPFD7L3

pith:2012:HVPFD7L3WUV3GAIC5XJDSB35KH

not attested not anchored not stored refs pending

Fostering Student Enrollment in Basic Sciences: the Case of Southern Tuscany

Vera Montalbano

arxiv:1206.4261 v1 · 2012-06-19 · physics.ed-ph · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVPFD7L3WUV3GAIC5XJDSB35KH}

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	2026-05-18T03:38:57.497855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d5e51fd7bb52bb30102edd239077d51c7ec72dfd4c6ba07b0954e76a542e8b2

Aliases

arxiv: 1206.4261 · arxiv_version: 1206.4261v1 · doi: 10.48550/arxiv.1206.4261 · pith_short_12: HVPFD7L3WUV3 · pith_short_16: HVPFD7L3WUV3GAIC · pith_short_8: HVPFD7L3

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/HVPFD7L3WUV3GAIC5XJDSB35KH \
  | 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: 3d5e51fd7bb52bb30102edd239077d51c7ec72dfd4c6ba07b0954e76a542e8b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbae46c3eae0cec440f0a52755053e4a2d7562e9b17838aa6142f4dd98f3247f",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-06-19T16:44:54Z",
    "title_canon_sha256": "757933ff805cd7d482b6c9ad7014a9413e01da0dae760a1f053497b8dc7cf451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4261",
    "kind": "arxiv",
    "version": 1
  }
}